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AnnotationInvocationHandler.java: Whitespace only changes.
2007-03-02 Andrew Haley <aph@redhat.com> * sun/reflect/annotation/AnnotationInvocationHandler.java: Whitespace only changes. 2007-03-02 Andrew Haley <aph@redhat.com> * sun/reflect/annotation/AnnotationInvocationHandler.java: Moved from Classpath to libgcj local. From-SVN: r122471
This commit is contained in:
Andrew Haley
Andrew Haley
parent
b2c6e79798
commit
7ac5faca97
@ -1,3 +1,13 @@
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2007-03-02 Andrew Haley <aph@redhat.com>
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* sun/reflect/annotation/AnnotationInvocationHandler.java:
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Whitespace only changes.
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2007-03-02 Andrew Haley <aph@redhat.com>
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* sun/reflect/annotation/AnnotationInvocationHandler.java: Moved
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from Classpath to libgcj local.
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2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
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* Makefile.am: Add dummy install-pdf target.
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@ -61,336 +61,336 @@ import java.util.Map;
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public final class AnnotationInvocationHandler
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implements InvocationHandler, Serializable
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{
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private static final long serialVersionUID = 6182022883658399397L;
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private final Class type;
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private final Map memberValues;
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private static final long serialVersionUID = 6182022883658399397L;
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private final Class type;
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private final Map memberValues;
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/**
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* Construct a new invocation handler for an annotation proxy.
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* Note that the VM is responsible for filling the memberValues map
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* with the default values of all the annotation members.
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*/
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public AnnotationInvocationHandler(Class type, Map memberValues)
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{
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this.type = type;
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this.memberValues = memberValues;
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}
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/**
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* Construct a new invocation handler for an annotation proxy.
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* Note that the VM is responsible for filling the memberValues map
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* with the default values of all the annotation members.
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*/
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public AnnotationInvocationHandler(Class type, Map memberValues)
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{
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this.type = type;
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this.memberValues = memberValues;
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}
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public static Annotation create(Class type, Map memberValues)
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{
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for (Method m : type.getDeclaredMethods())
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{
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String name = m.getName();
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if (! memberValues.containsKey(name))
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{
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// FIXME: what to do about exceptions here?
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memberValues.put(name, m.getDefaultValue());
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}
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}
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AnnotationInvocationHandler handler
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= new AnnotationInvocationHandler(type, memberValues);
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return (Annotation) Proxy.newProxyInstance(type.getClassLoader(),
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new Class[] { type },
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handler);
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}
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public static Annotation create(Class type, Map memberValues)
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{
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for (Method m : type.getDeclaredMethods())
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{
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String name = m.getName();
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if (! memberValues.containsKey(name))
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{
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// FIXME: what to do about exceptions here?
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memberValues.put(name, m.getDefaultValue());
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}
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}
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AnnotationInvocationHandler handler
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= new AnnotationInvocationHandler(type, memberValues);
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return (Annotation) Proxy.newProxyInstance(type.getClassLoader(),
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new Class[] { type },
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handler);
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}
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/**
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* Compare an instance of AnnotationInvocationHandler with another object.
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* Note that the other object does not have to be an
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* AnnotationInvocationHandler, any implementation of the annotation
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* interface is allowed to be compared for equality.
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* Note that this makes the equals method asymmetric, but this behavior
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* is specified by Annotation.equals and identical to the JDK.
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*
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* This method is public for use by other parts of the VM. Some VMs
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* (can) use different representations of annotations that reuse this
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* method.
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*/
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public static boolean equals(Class type, Map memberValues, Object other)
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{
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if (type.isInstance(other))
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{
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try
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{
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Method[] methods = type.getDeclaredMethods();
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if (methods.length == memberValues.size())
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{
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for (int i = 0; i < methods.length; i++)
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{
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String key = methods[i].getName();
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Object val = methods[i].invoke(other, new Object[0]);
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if (! deepEquals(memberValues.get(key), val))
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{
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return false;
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}
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}
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return true;
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}
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}
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catch (IllegalAccessException _)
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{
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// Ignore exception, like the JDK
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}
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catch (InvocationTargetException _)
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{
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// Ignore exception, like the JDK
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}
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}
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return false;
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}
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/**
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* Compare an instance of AnnotationInvocationHandler with another object.
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* Note that the other object does not have to be an
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* AnnotationInvocationHandler, any implementation of the annotation
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* interface is allowed to be compared for equality.
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* Note that this makes the equals method asymmetric, but this behavior
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* is specified by Annotation.equals and identical to the JDK.
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*
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* This method is public for use by other parts of the VM. Some VMs
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* (can) use different representations of annotations that reuse this
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* method.
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*/
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public static boolean equals(Class type, Map memberValues, Object other)
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{
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if (type.isInstance(other))
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{
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try
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{
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Method[] methods = type.getDeclaredMethods();
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if (methods.length == memberValues.size())
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{
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for (int i = 0; i < methods.length; i++)
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{
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String key = methods[i].getName();
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Object val = methods[i].invoke(other, new Object[0]);
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if (! deepEquals(memberValues.get(key), val))
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{
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return false;
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}
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}
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return true;
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}
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}
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catch (IllegalAccessException _)
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{
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// Ignore exception, like the JDK
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}
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catch (InvocationTargetException _)
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{
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// Ignore exception, like the JDK
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}
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}
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return false;
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}
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private static boolean deepEquals(Object o1, Object o2)
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{
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if (o1 == o2)
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return true;
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private static boolean deepEquals(Object o1, Object o2)
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{
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if (o1 == o2)
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return true;
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if (o1 == null || o2 == null)
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return false;
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if (o1 == null || o2 == null)
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return false;
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if (o1 instanceof boolean[] && o2 instanceof boolean[])
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return Arrays.equals((boolean[]) o1, (boolean[]) o2);
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if (o1 instanceof boolean[] && o2 instanceof boolean[])
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return Arrays.equals((boolean[]) o1, (boolean[]) o2);
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if (o1 instanceof byte[] && o2 instanceof byte[])
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return Arrays.equals((byte[]) o1, (byte[]) o2);
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if (o1 instanceof byte[] && o2 instanceof byte[])
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return Arrays.equals((byte[]) o1, (byte[]) o2);
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if (o1 instanceof char[] && o2 instanceof char[])
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return Arrays.equals((char[]) o1, (char[]) o2);
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if (o1 instanceof char[] && o2 instanceof char[])
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return Arrays.equals((char[]) o1, (char[]) o2);
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if (o1 instanceof short[] && o2 instanceof short[])
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return Arrays.equals((short[]) o1, (short[]) o2);
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if (o1 instanceof short[] && o2 instanceof short[])
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return Arrays.equals((short[]) o1, (short[]) o2);
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if (o1 instanceof int[] && o2 instanceof int[])
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return Arrays.equals((int[]) o1, (int[]) o2);
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if (o1 instanceof int[] && o2 instanceof int[])
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return Arrays.equals((int[]) o1, (int[]) o2);
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if (o1 instanceof float[] && o2 instanceof float[])
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return Arrays.equals((float[]) o1, (float[]) o2);
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if (o1 instanceof float[] && o2 instanceof float[])
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return Arrays.equals((float[]) o1, (float[]) o2);
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if (o1 instanceof long[] && o2 instanceof long[])
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return Arrays.equals((long[]) o1, (long[]) o2);
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if (o1 instanceof long[] && o2 instanceof long[])
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return Arrays.equals((long[]) o1, (long[]) o2);
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if (o1 instanceof double[] && o2 instanceof double[])
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return Arrays.equals((double[]) o1, (double[]) o2);
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if (o1 instanceof double[] && o2 instanceof double[])
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return Arrays.equals((double[]) o1, (double[]) o2);
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if (o1 instanceof Object[] && o2 instanceof Object[])
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return Arrays.equals((Object[]) o1, (Object[]) o2);
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if (o1 instanceof Object[] && o2 instanceof Object[])
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return Arrays.equals((Object[]) o1, (Object[]) o2);
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return o1.equals(o2);
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}
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return o1.equals(o2);
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}
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private static int deepHashCode(Object obj)
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{
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if (obj instanceof boolean[])
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return Arrays.hashCode((boolean[]) obj);
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private static int deepHashCode(Object obj)
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{
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if (obj instanceof boolean[])
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return Arrays.hashCode((boolean[]) obj);
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if (obj instanceof byte[])
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return Arrays.hashCode((byte[]) obj);
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if (obj instanceof byte[])
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return Arrays.hashCode((byte[]) obj);
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if (obj instanceof char[])
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return Arrays.hashCode((char[]) obj);
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if (obj instanceof char[])
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return Arrays.hashCode((char[]) obj);
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if (obj instanceof short[])
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return Arrays.hashCode((short[]) obj);
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if (obj instanceof short[])
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return Arrays.hashCode((short[]) obj);
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if (obj instanceof int[])
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return Arrays.hashCode((int[]) obj);
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if (obj instanceof int[])
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return Arrays.hashCode((int[]) obj);
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if (obj instanceof float[])
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return Arrays.hashCode((float[]) obj);
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if (obj instanceof float[])
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return Arrays.hashCode((float[]) obj);
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if (obj instanceof long[])
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return Arrays.hashCode((long[]) obj);
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if (obj instanceof long[])
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return Arrays.hashCode((long[]) obj);
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if (obj instanceof double[])
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return Arrays.hashCode((double[]) obj);
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if (obj instanceof double[])
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return Arrays.hashCode((double[]) obj);
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if (obj instanceof Object[])
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return Arrays.hashCode((Object[]) obj);
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if (obj instanceof Object[])
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return Arrays.hashCode((Object[]) obj);
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return obj.hashCode();
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}
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return obj.hashCode();
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}
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/**
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* Compute the hashCode for an annotation. Note that the algorithm is
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* specified by Annotation.hashCode.
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*
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* This method is public for use by other parts of the VM. Some VMs
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* (can) use different representations of annotations that reuse this
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* method.
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*/
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public static int hashCode(Class type, Map memberValues)
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{
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int h = 0;
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Iterator iter = memberValues.keySet().iterator();
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while (iter.hasNext())
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{
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Object key = iter.next();
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Object val = memberValues.get(key);
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h += deepHashCode(val) ^ 127 * key.hashCode();
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}
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return h;
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}
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/**
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* Compute the hashCode for an annotation. Note that the algorithm is
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* specified by Annotation.hashCode.
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*
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* This method is public for use by other parts of the VM. Some VMs
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* (can) use different representations of annotations that reuse this
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* method.
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*/
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public static int hashCode(Class type, Map memberValues)
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{
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int h = 0;
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Iterator iter = memberValues.keySet().iterator();
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while (iter.hasNext())
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{
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Object key = iter.next();
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Object val = memberValues.get(key);
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h += deepHashCode(val) ^ 127 * key.hashCode();
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}
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return h;
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}
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private static String deepToString(Object obj)
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{
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if (obj instanceof boolean[])
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return Arrays.toString((boolean[]) obj);
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private static String deepToString(Object obj)
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{
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if (obj instanceof boolean[])
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return Arrays.toString((boolean[]) obj);
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if (obj instanceof byte[])
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return Arrays.toString((byte[]) obj);
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if (obj instanceof byte[])
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return Arrays.toString((byte[]) obj);
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if (obj instanceof char[])
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return Arrays.toString((char[]) obj);
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if (obj instanceof char[])
|
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return Arrays.toString((char[]) obj);
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if (obj instanceof short[])
|
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return Arrays.toString((short[]) obj);
|
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if (obj instanceof short[])
|
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return Arrays.toString((short[]) obj);
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if (obj instanceof int[])
|
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return Arrays.toString((int[]) obj);
|
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if (obj instanceof int[])
|
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return Arrays.toString((int[]) obj);
|
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if (obj instanceof float[])
|
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return Arrays.toString((float[]) obj);
|
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if (obj instanceof float[])
|
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return Arrays.toString((float[]) obj);
|
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if (obj instanceof long[])
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return Arrays.toString((long[]) obj);
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if (obj instanceof long[])
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return Arrays.toString((long[]) obj);
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if (obj instanceof double[])
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return Arrays.toString((double[]) obj);
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if (obj instanceof double[])
|
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return Arrays.toString((double[]) obj);
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if (obj instanceof Object[])
|
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return Arrays.toString((Object[]) obj);
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if (obj instanceof Object[])
|
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return Arrays.toString((Object[]) obj);
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return obj.toString();
|
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}
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return obj.toString();
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}
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/**
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* This method is public for use by other parts of the VM. Some VMs
|
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* (can) use different representations of annotations that reuse this
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* method.
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*/
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public static String toString(Class type, Map memberValues)
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{
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StringBuffer sb = new StringBuffer();
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sb.append('@').append(type.getName()).append('(');
|
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String sep = "";
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Iterator iter = memberValues.keySet().iterator();
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while (iter.hasNext())
|
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{
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Object key = iter.next();
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Object val = memberValues.get(key);
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sb.append(sep).append(key).append('=').append(deepToString(val));
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sep = ", ";
|
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}
|
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sb.append(')');
|
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return sb.toString();
|
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}
|
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/**
|
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* This method is public for use by other parts of the VM. Some VMs
|
||||
* (can) use different representations of annotations that reuse this
|
||||
* method.
|
||||
*/
|
||||
public static String toString(Class type, Map memberValues)
|
||||
{
|
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StringBuffer sb = new StringBuffer();
|
||||
sb.append('@').append(type.getName()).append('(');
|
||||
String sep = "";
|
||||
Iterator iter = memberValues.keySet().iterator();
|
||||
while (iter.hasNext())
|
||||
{
|
||||
Object key = iter.next();
|
||||
Object val = memberValues.get(key);
|
||||
sb.append(sep).append(key).append('=').append(deepToString(val));
|
||||
sep = ", ";
|
||||
}
|
||||
sb.append(')');
|
||||
return sb.toString();
|
||||
}
|
||||
|
||||
private static Class getBoxedReturnType(Method method)
|
||||
{
|
||||
Class returnType = method.getReturnType();
|
||||
private static Class getBoxedReturnType(Method method)
|
||||
{
|
||||
Class returnType = method.getReturnType();
|
||||
|
||||
if (returnType == boolean.class)
|
||||
return Boolean.class;
|
||||
if (returnType == boolean.class)
|
||||
return Boolean.class;
|
||||
|
||||
if (returnType == byte.class)
|
||||
return Byte.class;
|
||||
if (returnType == byte.class)
|
||||
return Byte.class;
|
||||
|
||||
if (returnType == char.class)
|
||||
return Character.class;
|
||||
if (returnType == char.class)
|
||||
return Character.class;
|
||||
|
||||
if (returnType == short.class)
|
||||
return Short.class;
|
||||
if (returnType == short.class)
|
||||
return Short.class;
|
||||
|
||||
if (returnType == int.class)
|
||||
return Integer.class;
|
||||
if (returnType == int.class)
|
||||
return Integer.class;
|
||||
|
||||
if (returnType == float.class)
|
||||
return Float.class;
|
||||
if (returnType == float.class)
|
||||
return Float.class;
|
||||
|
||||
if (returnType == long.class)
|
||||
return Long.class;
|
||||
if (returnType == long.class)
|
||||
return Long.class;
|
||||
|
||||
if (returnType == double.class)
|
||||
return Double.class;
|
||||
if (returnType == double.class)
|
||||
return Double.class;
|
||||
|
||||
return returnType;
|
||||
}
|
||||
return returnType;
|
||||
}
|
||||
|
||||
private Object arrayClone(Object obj)
|
||||
{
|
||||
if (obj instanceof boolean[])
|
||||
return ((boolean[]) obj).clone();
|
||||
private Object arrayClone(Object obj)
|
||||
{
|
||||
if (obj instanceof boolean[])
|
||||
return ((boolean[]) obj).clone();
|
||||
|
||||
if (obj instanceof byte[])
|
||||
return ((byte[]) obj).clone();
|
||||
if (obj instanceof byte[])
|
||||
return ((byte[]) obj).clone();
|
||||
|
||||
if (obj instanceof char[])
|
||||
return ((char[]) obj).clone();
|
||||
if (obj instanceof char[])
|
||||
return ((char[]) obj).clone();
|
||||
|
||||
if (obj instanceof short[])
|
||||
return ((short[]) obj).clone();
|
||||
if (obj instanceof short[])
|
||||
return ((short[]) obj).clone();
|
||||
|
||||
if (obj instanceof int[])
|
||||
return ((int[]) obj).clone();
|
||||
if (obj instanceof int[])
|
||||
return ((int[]) obj).clone();
|
||||
|
||||
if (obj instanceof float[])
|
||||
return ((float[]) obj).clone();
|
||||
if (obj instanceof float[])
|
||||
return ((float[]) obj).clone();
|
||||
|
||||
if (obj instanceof long[])
|
||||
return ((long[]) obj).clone();
|
||||
if (obj instanceof long[])
|
||||
return ((long[]) obj).clone();
|
||||
|
||||
if (obj instanceof double[])
|
||||
return ((double[]) obj).clone();
|
||||
if (obj instanceof double[])
|
||||
return ((double[]) obj).clone();
|
||||
|
||||
if (obj instanceof Object[])
|
||||
return ((Object[]) obj).clone();
|
||||
if (obj instanceof Object[])
|
||||
return ((Object[]) obj).clone();
|
||||
|
||||
return obj;
|
||||
}
|
||||
return obj;
|
||||
}
|
||||
|
||||
public Object invoke(Object proxy, Method method, Object[] args)
|
||||
throws Throwable
|
||||
{
|
||||
String methodName = method.getName().intern();
|
||||
if (args == null || args.length == 0)
|
||||
{
|
||||
if (methodName == "toString")
|
||||
{
|
||||
return toString(type, memberValues);
|
||||
}
|
||||
else if (methodName == "hashCode")
|
||||
{
|
||||
return Integer.valueOf(hashCode(type, memberValues));
|
||||
}
|
||||
else if (methodName == "annotationType")
|
||||
{
|
||||
return type;
|
||||
}
|
||||
else
|
||||
{
|
||||
Object val = memberValues.get(methodName);
|
||||
if (val == null)
|
||||
{
|
||||
throw new IncompleteAnnotationException(type, methodName);
|
||||
}
|
||||
if (! getBoxedReturnType(method).isInstance(val))
|
||||
{
|
||||
throw new AnnotationTypeMismatchException(method,
|
||||
val.getClass().getName());
|
||||
}
|
||||
if (val.getClass().isArray())
|
||||
{
|
||||
val = arrayClone(val);
|
||||
}
|
||||
return val;
|
||||
}
|
||||
}
|
||||
else if (args.length == 1)
|
||||
{
|
||||
if (methodName == "equals")
|
||||
{
|
||||
return Boolean.valueOf(equals(type, memberValues, args[0]));
|
||||
}
|
||||
}
|
||||
throw new InternalError("Invalid annotation proxy");
|
||||
}
|
||||
public Object invoke(Object proxy, Method method, Object[] args)
|
||||
throws Throwable
|
||||
{
|
||||
String methodName = method.getName().intern();
|
||||
if (args == null || args.length == 0)
|
||||
{
|
||||
if (methodName == "toString")
|
||||
{
|
||||
return toString(type, memberValues);
|
||||
}
|
||||
else if (methodName == "hashCode")
|
||||
{
|
||||
return Integer.valueOf(hashCode(type, memberValues));
|
||||
}
|
||||
else if (methodName == "annotationType")
|
||||
{
|
||||
return type;
|
||||
}
|
||||
else
|
||||
{
|
||||
Object val = memberValues.get(methodName);
|
||||
if (val == null)
|
||||
{
|
||||
throw new IncompleteAnnotationException(type, methodName);
|
||||
}
|
||||
if (! getBoxedReturnType(method).isInstance(val))
|
||||
{
|
||||
throw new AnnotationTypeMismatchException(method,
|
||||
val.getClass().getName());
|
||||
}
|
||||
if (val.getClass().isArray())
|
||||
{
|
||||
val = arrayClone(val);
|
||||
}
|
||||
return val;
|
||||
}
|
||||
}
|
||||
else if (args.length == 1)
|
||||
{
|
||||
if (methodName == "equals")
|
||||
{
|
||||
return Boolean.valueOf(equals(type, memberValues, args[0]));
|
||||
}
|
||||
}
|
||||
throw new InternalError("Invalid annotation proxy");
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user