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   1 /**********************************************************************
   2  Copyright (c) 2000, 2003 IBM Corp. and others.
   3  All rights reserved. This program and the accompanying materials
   4  are made available under the terms of the Common Public License v1.0
   5  which accompanies this distribution, and is available at
   6  http://www.eclipse.org/legal/cpl-v10.html
   7
   8  Contributors:
   9  IBM Corporation - Initial implementation
  10  **********************************************************************/
  11 package net.sourceforge.phpeclipse.phpeditor;
  12
  13 import org.eclipse.jface.text.BadLocationException;
  14 import org.eclipse.jface.text.BadPositionCategoryException;
  15 import org.eclipse.jface.text.Document;
  16 import org.eclipse.jface.text.ISynchronizable;
  17 import org.eclipse.jface.text.Position;
  18
  19 /**
  20  * Document that can also be used by a background reconciler.
  21  */
  22 public class PartiallySynchronizedDocument extends Document implements
  23                 ISynchronizable {
  24
  25         private final Object fInternalLockObject = new Object();
  26
  27         private Object fLockObject;
  28
  29         /*
  30          * @see org.eclipse.jface.text.ISynchronizable#setLockObject(java.lang.Object)
  31          */
  32         public void setLockObject(Object lockObject) {
  33                 fLockObject = lockObject;
  34         }
  35
  36         /*
  37          * @see org.eclipse.jface.text.ISynchronizable#getLockObject()
  38          */
  39         public Object getLockObject() {
  40                 return fLockObject == null ? fInternalLockObject : fLockObject;
  41         }
  42
  43         /*
  44          * @see IDocumentExtension#startSequentialRewrite(boolean)
  45          */
  46         public void startSequentialRewrite(boolean normalized) {
  47                 synchronized (getLockObject()) {
  48                         super.startSequentialRewrite(normalized);
  49                 }
  50         }
  51
  52         /*
  53          * @see IDocumentExtension#stopSequentialRewrite()
  54          */
  55         public void stopSequentialRewrite() {
  56                 synchronized (getLockObject()) {
  57                         super.stopSequentialRewrite();
  58                 }
  59         }
  60
  61         /*
  62          * @see IDocument#get()
  63          */
  64         public String get() {
  65                 synchronized (getLockObject()) {
  66                         return super.get();
  67                 }
  68         }
  69
  70         /*
  71          * @see IDocument#get(int, int)
  72          */
  73         public String get(int offset, int length) throws BadLocationException {
  74                 synchronized (getLockObject()) {
  75                         return super.get(offset, length);
  76                 }
  77         }
  78
  79         /*
  80          * @see IDocument#getChar(int)
  81          */
  82         public char getChar(int offset) throws BadLocationException {
  83                 synchronized (getLockObject()) {
  84                         return super.getChar(offset);
  85                 }
  86         }
  87
  88         /*
  89          * @see IDocument#replace(int, int, String)
  90          */
  91         public void replace(int offset, int length, String text)
  92                         throws BadLocationException {
  93                 synchronized (getLockObject()) {
  94                         super.replace(offset, length, text);
  95                 }
  96         }
  97
  98         /*
  99          * @see IDocument#set(String)
 100          */
 101         public void set(String text) {
 102                 synchronized (getLockObject()) {
 103                         super.set(text);
 104                 }
 105         }
 106
 107         /*
 108          * @see org.eclipse.jface.text.AbstractDocument#addPosition(java.lang.String,
 109          *      org.eclipse.jface.text.Position)
 110          */
 111         public void addPosition(String category, Position position)
 112                         throws BadLocationException, BadPositionCategoryException {
 113                 synchronized (getLockObject()) {
 114                         super.addPosition(category, position);
 115                 }
 116         }
 117
 118         /*
 119          * @see org.eclipse.jface.text.AbstractDocument#removePosition(java.lang.String,
 120          *      org.eclipse.jface.text.Position)
 121          */
 122         public void removePosition(String category, Position position)
 123                         throws BadPositionCategoryException {
 124                 synchronized (getLockObject()) {
 125                         super.removePosition(category, position);
 126                 }
 127         }
 128
 129         /*
 130          * @see org.eclipse.jface.text.AbstractDocument#getPositions(java.lang.String)
 131          */
 132         public Position[] getPositions(String category)
 133                         throws BadPositionCategoryException {
 134                 synchronized (getLockObject()) {
 135                         return super.getPositions(category);
 136                 }
 137         }
 138 }