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Fix for bug introduced in r745976. EscherContainerRecord shouldn't hand out it's private 'child records' field. 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@746018 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Josh Micich 2009-02-19 22:02:14 +00:00
parent 6f1a7911c9
commit 83359062e7
3 changed files with 103 additions and 68 deletions
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108
src/java/org/apache/poi/ddf/EscherContainerRecord.java
View File

@ -34,8 +34,7 @@ import java.io.PrintWriter;
*
* @author Glen Stampoultzis
*/
public class EscherContainerRecord extends EscherRecord
{
public final class EscherContainerRecord extends EscherRecord {
public static final short DGG_CONTAINER = (short)0xF000;
public static final short BSTORE_CONTAINER = (short)0xF001;
public static final short DG_CONTAINER = (short)0xF002;
@ -57,7 +56,7 @@ public class EscherContainerRecord extends EscherRecord
bytesWritten += childBytesWritten;
offset += childBytesWritten;
bytesRemaining -= childBytesWritten;
getChildRecords().add( child );
addChildRecord(child);
if (offset >= data.length && bytesRemaining > 0)
{
System.out.println("WARNING: " + bytesRemaining + " bytes remaining but no space left");
@ -73,16 +72,16 @@ public class EscherContainerRecord extends EscherRecord
LittleEndian.putShort(data, offset, getOptions());
LittleEndian.putShort(data, offset+2, getRecordId());
int remainingBytes = 0;
for ( Iterator iterator = getChildRecords().iterator(); iterator.hasNext(); )
{
EscherRecord r = (EscherRecord) iterator.next();
Iterator<EscherRecord> iterator = _childRecords.iterator();
while (iterator.hasNext()) {
EscherRecord r = iterator.next();
remainingBytes += r.getRecordSize();
}
LittleEndian.putInt(data, offset+4, remainingBytes);
int pos = offset+8;
for ( Iterator iterator = getChildRecords().iterator(); iterator.hasNext(); )
{
EscherRecord r = (EscherRecord) iterator.next();
iterator = _childRecords.iterator();
while (iterator.hasNext()) {
EscherRecord r = iterator.next();
pos += r.serialize(pos, data, listener );
}
@ -90,12 +89,11 @@ public class EscherContainerRecord extends EscherRecord
return pos - offset;
}
public int getRecordSize()
{
public int getRecordSize() {
int childRecordsSize = 0;
for ( Iterator iterator = getChildRecords().iterator(); iterator.hasNext(); )
{
EscherRecord r = (EscherRecord) iterator.next();
Iterator<EscherRecord> iterator = _childRecords.iterator();
while (iterator.hasNext()) {
EscherRecord r = iterator.next();
childRecordsSize += r.getRecordSize();
}
return 8 + childRecordsSize;
@ -106,9 +104,9 @@ public class EscherContainerRecord extends EscherRecord
* given recordId?
*/
public boolean hasChildOfType(short recordId) {
for ( Iterator iterator = getChildRecords().iterator(); iterator.hasNext(); )
{
EscherRecord r = (EscherRecord) iterator.next();
Iterator<EscherRecord> iterator = _childRecords.iterator();
while (iterator.hasNext()) {
EscherRecord r = iterator.next();
if(r.getRecordId() == recordId) {
return true;
}
@ -117,35 +115,40 @@ public class EscherContainerRecord extends EscherRecord
}
/**
* Returns a list of all the child (escher) records
* of the container.
* @return a copy of the list of all the child records of the container.
*/
public List<EscherRecord> getChildRecords() {
return _childRecords;
return new ArrayList<EscherRecord>(_childRecords);
}
/**
* replaces the internal child list with the contents of the supplied <tt>childRecords</tt>
*/
public void setChildRecords(List<EscherRecord> childRecords) {
if (childRecords == _childRecords) {
throw new IllegalStateException("Child records private data member has escaped");
}
_childRecords.clear();
_childRecords.addAll(childRecords);
}
/**
* Returns all of our children which are also
* EscherContainers (may be 0, 1, or vary rarely
* 2 or 3)
*/
public List getChildContainers() {
List containers = new ArrayList();
for ( Iterator iterator = getChildRecords().iterator(); iterator.hasNext(); )
{
EscherRecord r = (EscherRecord) iterator.next();
public List<EscherContainerRecord> getChildContainers() {
List<EscherContainerRecord> containers = new ArrayList<EscherContainerRecord>();
Iterator<EscherRecord> iterator = _childRecords.iterator();
while (iterator.hasNext()) {
EscherRecord r = iterator.next();
if(r instanceof EscherContainerRecord) {
containers.add(r);
containers.add((EscherContainerRecord) r);
}
}
return containers;
}
public void setChildRecords(List<EscherRecord> childRecords) {
_childRecords.clear();
_childRecords.addAll(childRecords);
}
public String getRecordName() {
switch (getRecordId()) {
case DGG_CONTAINER:
@ -165,13 +168,12 @@ public class EscherContainerRecord extends EscherRecord
}
}
public void display( PrintWriter w, int indent )
{
super.display( w, indent );
for (Iterator iterator = _childRecords.iterator(); iterator.hasNext();)
public void display(PrintWriter w, int indent) {
super.display(w, indent);
for (Iterator<EscherRecord> iterator = _childRecords.iterator(); iterator.hasNext();)
{
EscherRecord escherRecord = (EscherRecord) iterator.next();
escherRecord.display( w, indent + 1 );
EscherRecord escherRecord = iterator.next();
escherRecord.display(w, indent + 1);
}
}
@ -188,16 +190,15 @@ public class EscherContainerRecord extends EscherRecord
String nl = System.getProperty( "line.separator" );
StringBuffer children = new StringBuffer();
if ( getChildRecords().size() > 0 )
{
if (_childRecords.size() > 0) {
children.append( " children: " + nl );
int count = 0;
for ( Iterator iterator = getChildRecords().iterator(); iterator.hasNext(); )
for ( Iterator<EscherRecord> iterator = _childRecords.iterator(); iterator.hasNext(); )
{
String newIndent = indent + " ";
EscherRecord record = (EscherRecord) iterator.next();
EscherRecord record = iterator.next();
children.append(newIndent + "Child " + count + ":" + nl);
if(record instanceof EscherContainerRecord) {
@ -215,18 +216,17 @@ public class EscherContainerRecord extends EscherRecord
indent + " isContainer: " + isContainerRecord() + nl +
indent + " options: 0x" + HexDump.toHex( getOptions() ) + nl +
indent + " recordId: 0x" + HexDump.toHex( getRecordId() ) + nl +
indent + " numchildren: " + getChildRecords().size() + nl +
indent + " numchildren: " + _childRecords.size() + nl +
indent + children.toString();
}
public EscherSpRecord getChildById( short recordId )
{
for ( Iterator iterator = _childRecords.iterator(); iterator.hasNext(); )
{
EscherRecord escherRecord = (EscherRecord) iterator.next();
if (escherRecord.getRecordId() == recordId)
return (EscherSpRecord) escherRecord;
public EscherSpRecord getChildById(short recordId) {
Iterator<EscherRecord> iterator = _childRecords.iterator();
while (iterator.hasNext()) {
EscherRecord r = iterator.next();
if (r.getRecordId() == recordId)
return (EscherSpRecord) r;
}
return null;
}
@ -236,15 +236,15 @@ public class EscherContainerRecord extends EscherRecord
*
* @param out - list to store found records
*/
public void getRecordsById(short recordId, List out){
for(Iterator it = _childRecords.iterator(); it.hasNext();) {
Object er = it.next();
EscherRecord r = (EscherRecord)er;
public void getRecordsById(short recordId, List<EscherRecord> out){
Iterator<EscherRecord> iterator = _childRecords.iterator();
while (iterator.hasNext()) {
EscherRecord r = iterator.next();
if(r instanceof EscherContainerRecord) {
EscherContainerRecord c = (EscherContainerRecord)r;
c.getRecordsById(recordId, out );
} else if (r.getRecordId() == recordId){
out.add(er);
out.add(r);
}
}
}

2
src/scratchpad/src/org/apache/poi/hslf/model/MovieShape.java
View File

@ -83,7 +83,7 @@ public final class MovieShape extends Picture {
EscherClientDataRecord cldata = new EscherClientDataRecord();
cldata.setOptions((short)0xF);
_escherContainer.getChildRecords().add(cldata);
_escherContainer.addChildRecord(cldata);
OEShapeAtom oe = new OEShapeAtom();
InteractiveInfo info = new InteractiveInfo();

57
src/testcases/org/apache/poi/ddf/TestEscherContainerRecord.java
View File

@ -1,4 +1,3 @@
/* ====================================================================
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
@ -20,14 +19,17 @@ package org.apache.poi.ddf;
import java.io.File;
import java.io.FileInputStream;
import java.util.List;
import junit.framework.TestCase;
import org.apache.poi.util.HexRead;
import org.apache.poi.util.HexDump;
import org.apache.poi.util.IOUtils;
public class TestEscherContainerRecord extends TestCase
{
/**
* Tests for {@link EscherContainerRecord}
*/
public final class TestEscherContainerRecord extends TestCase {
private String ESCHER_DATA_PATH;
protected void setUp() {
@ -130,16 +132,17 @@ public class TestEscherContainerRecord extends TestCase
assertEquals( expected, r.toString() );
}
private static final class DummyEscherRecord extends EscherRecord {
public DummyEscherRecord() { }
public int fillFields( byte[] data, int offset, EscherRecordFactory recordFactory ) { return 0; }
public int serialize( int offset, byte[] data, EscherSerializationListener listener ) { return 0; }
public int getRecordSize() { return 10; }
public String getRecordName() { return ""; }
}
public void testGetRecordSize() {
EscherContainerRecord r = new EscherContainerRecord();
r.addChildRecord(new EscherRecord()
{
public int fillFields( byte[] data, int offset, EscherRecordFactory recordFactory ) { return 0; }
public int serialize( int offset, byte[] data, EscherSerializationListener listener ) { return 0; }
public int getRecordSize() { return 10; }
public String getRecordName() { return ""; }
} );
r.addChildRecord(new DummyEscherRecord());
assertEquals(18, r.getRecordSize());
}
@ -158,4 +161,36 @@ public class TestEscherContainerRecord extends TestCase
EscherContainerRecord record = new EscherContainerRecord();
record.fillFields(data, 0, new DefaultEscherRecordFactory());
}
/**
* Ensure {@link EscherContainerRecord} doesn't spill its guts everywhere
*/
public void testChildren() {
EscherContainerRecord ecr = new EscherContainerRecord();
List<EscherRecord> children0 = ecr.getChildRecords();
assertEquals(0, children0.size());
EscherRecord chA = new DummyEscherRecord();
EscherRecord chB = new DummyEscherRecord();
EscherRecord chC = new DummyEscherRecord();
ecr.addChildRecord(chA);
ecr.addChildRecord(chB);
children0.add(chC);
List<EscherRecord> children1 = ecr.getChildRecords();
assertTrue(children0 != children1);
assertEquals(2, children1.size());
assertEquals(chA, children1.get(0));
assertEquals(chB, children1.get(1));
assertEquals(1, children0.size()); // first copy unchanged
ecr.setChildRecords(children0);
ecr.addChildRecord(chA);
List<EscherRecord> children2 = ecr.getChildRecords();
assertEquals(2, children2.size());
assertEquals(chC, children2.get(0));
assertEquals(chA, children2.get(1));
}
}