2001-10-20 04:36:07 +08:00
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/* NamingException.java -- Superclass of all naming Exceptions
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Copyright (C) 2000, 2001 Free Software Foundation, Inc.
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2000-11-27 11:16:14 +08:00
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2001-10-20 04:36:07 +08:00
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This file is part of GNU Classpath.
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2000-11-27 11:16:14 +08:00
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2001-10-20 04:36:07 +08:00
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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2000-11-27 11:16:14 +08:00
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2001-10-20 04:36:07 +08:00
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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2002-01-23 06:40:42 +08:00
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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2001-10-20 04:36:07 +08:00
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2000-11-27 11:16:14 +08:00
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package javax.naming;
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2001-10-20 04:36:07 +08:00
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import java.io.PrintStream;
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import java.io.PrintWriter;
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/**
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* Superclass of all naming Exceptions.
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* Can contain extra information about the root cause of this exception
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* (for example when the original exception was not a subclass of
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* <code>NamingException</code>), the part of the <code>Name</code> that
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* could be resolved (including the <code>Object</code> it resolved to)
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* and the part of the <code>Name</code> that could not be resolved when
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2002-09-16 17:46:37 +08:00
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* the exception occured.
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2001-10-20 04:36:07 +08:00
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*
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* @since 1.3
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* @author Anthony Green (green@redhat.com)
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* @author Mark Wielaard (mark@klomp.org)
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*/
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2000-11-27 11:16:14 +08:00
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public class NamingException extends Exception
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{
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2001-10-20 04:36:07 +08:00
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/**
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* The root cause of this exception. Might be null. Set by calling
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* <code>setRootCause()</code>, can be accessed by calling
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* <code>getRootCause()</code>.
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*/
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2000-11-27 11:16:14 +08:00
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protected Throwable rootException;
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2001-10-20 04:36:07 +08:00
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/**
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* If the exception was caused while resolving a <code>Name</code> then
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* this field contains that part of the name that could be resolved.
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* Field might be null. Set by calling <code>setResolvedName()</code>.
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* Can be accessed by calling <code>getResolvedName</code>.
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*/
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protected Name resolvedName;
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/**
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* If the exception was caused while resolving a <code>Name</code> then
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* this field contains the object that part of the name could be resolved to.
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* Field might be null. Set by calling <code>setResolvedObj()</code>.
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* Can be accessed by calling <code>getResolvedObj</code>.
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*/
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protected Object resolvedObj;
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/**
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* If the exception was caused while resolving a <code>Name</code> then
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* this field contains that part of the name that could not be resolved.
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* Field might be null. Set by calling <code>setRemainingName()</code>.
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* The field can be extended by calling <code>appendRemainingName()</code>
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* or <code>appendRemainingComponent()</code>.
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* Can be accessed by calling <code>getRemainingName</code>.
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*/
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protected Name remainingName;
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/**
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* Creates a new NamingException without a message. Does not set any of the
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* <code>rootException</code>, <code>resolvedName</code>,
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* <code>resolvedObj</code> or <code>remainingObject,<code> fields.
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* These fields can be set later.
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*/
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public NamingException ()
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2000-11-27 11:16:14 +08:00
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{
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super();
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}
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2001-10-20 04:36:07 +08:00
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/**
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* Creates a new NamingException with a detailed message. Does not set
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* the <code>rootException</code>, <code>resolvedName</code>,
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* <code>resolvedObj</code> or <code>remainingObject,<code> fields.
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* These fields can be set later.
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*/
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public NamingException (String msg)
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2000-11-27 11:16:14 +08:00
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{
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super(msg);
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}
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2001-10-20 04:36:07 +08:00
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/**
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* Gets the root cause field <code>rootException</code> of this Exception.
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*/
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2000-11-27 11:16:14 +08:00
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public Throwable getRootCause ()
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{
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return rootException;
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}
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2001-10-20 04:36:07 +08:00
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/**
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* Sets the root cause field <code>rootException</code> of this Exception.
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*/
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2000-11-27 11:16:14 +08:00
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public void setRootCause (Throwable e)
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{
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rootException = e;
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}
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2001-10-20 04:36:07 +08:00
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/**
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* Gets the part of the name that could be resolved before this exception
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* happend. Returns the <code>resolvedName</code> field of this Exception.
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*/
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public Name getResolvedName ()
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{
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return resolvedName;
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}
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/**
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* Sets the part of the name that could be resolved before this exception
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* happend. Sets the <code>resolvedName</code> field of this Exception.
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*/
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public void setResolvedName (Name name)
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{
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resolvedName = name;
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}
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/**
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* Gets the Object to which (part of) the name could be resolved before this
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* exception happend. Returns the <code>resolvedObj</code> field of this
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* Exception.
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*/
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public Object getResolvedObj ()
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{
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return resolvedObj;
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}
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/**
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* Sets the Object to which (part of) the name could be resolved before this
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* exception happend. Sets the <code>resolvedObj</code> field of this
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* Exception.
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*/
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public void setResolvedObj (Object o)
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{
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resolvedObj = o;
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}
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/**
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* Gets the part of the name that could not be resolved before this exception
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* happend. Returns the <code>remainingName</code> field of this Exception.
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*/
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public Name getRemainingName ()
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{
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return remainingName;
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}
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/**
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* Sets the part of the name that could be resolved before this exception
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* happend. Sets the <code>resolvedName</code> field of this Exception.
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* The field can be extended by calling <code>appendRemainingName()</code>
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* or <code>appendRemainingComponent()</code>.
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*/
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public void setRemainingName (Name name)
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{
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remainingName = name;
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}
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/**
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* Adds the given <code>Name</code> to the <code>remainingName</code> field.
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* Does nothing when <code>name</code> is null or when a
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* <code>InvalidNameException</code> is thrown when adding the name.
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*
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* @see Name#addAll(Name)
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*/
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public void appendRemainingName (Name name)
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{
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if (name != null)
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try
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{
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remainingName.addAll(name);
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}
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catch(InvalidNameException ine) { /* ignored */ }
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}
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/**
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* Adds the given <code>String</code> to the <code>remainingName</code> field.
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* Does nothing when <code>name</code> is null or when a
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* <code>InvalidNameException</code> is thrown when adding the component.
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*
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* @see Name#add(String)
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*/
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public void appendRemainingComponent (String name)
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{
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if (name != null)
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try
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{
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remainingName.add(name);
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}
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catch(InvalidNameException ine) { /* ignored */ }
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}
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/**
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* Gets the message given to the constructor or null if no message was given.
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*
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* @see Throwable#getMessage();
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*/
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public String getExplanation()
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{
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return getMessage();
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}
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/**
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* Returns a String representation of this exception and possibly including
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* the part object that could be resolved if the given flag is set to true.
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* Always includes the root cause and the remaining name if not null.
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*/
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public String toString(boolean objectInfo)
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{
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StringBuffer sb = new StringBuffer(super.toString());
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Throwable cause = getRootCause();
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if (cause != null)
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{
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sb.append(" caused by ");
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sb.append(cause);
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}
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Name remaining = getRemainingName();
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if (remaining != null)
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{
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sb.append(" [remainingName: ");
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sb.append(remaining);
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}
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Object resolved = getResolvedObj();
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if (objectInfo && resolved != null)
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{
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if (remainingName == null)
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sb.append(" [");
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else
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sb.append(", ");
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sb.append("resolvedObj: ");
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sb.append(resolved);
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}
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if ((remaining != null) || (objectInfo && resolved != null))
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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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* Returns a string representation of this exception.
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* Calls <code>toString(false)</code>.
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*/
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public String toString()
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{
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return toString(false);
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}
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/**
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* Prints the stacktrace of this exception or of the root cause if not null.
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*/
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public void printStackTrace()
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{
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Throwable cause = getRootCause();
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if (cause != null)
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cause.printStackTrace();
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else
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super.printStackTrace();
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}
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/**
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* Prints the stacktrace of this exception or of the root cause if not null
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* to the given <code>PrintStream</code>.
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*/
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public void printStackTrace(PrintStream ps)
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{
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Throwable cause = getRootCause();
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if (cause != null)
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cause.printStackTrace(ps);
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else
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super.printStackTrace(ps);
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}
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/**
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* Prints the stacktrace of this exception or of the root cause if not null
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* to the given <code>PrintWriter</code>.
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*/
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public void printStackTrace(PrintWriter pw)
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{
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Throwable cause = getRootCause();
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if (cause != null)
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cause.printStackTrace(pw);
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else
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super.printStackTrace(pw);
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}
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2000-11-27 11:16:14 +08:00
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}
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2001-10-20 04:36:07 +08:00
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