Support InteractiveInfo, the parent of InteractiveInfoAtom

git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@497061 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2007-01-17 16:17:46 +00:00
parent 3577d348c3
commit 255bc5a9c3
3 changed files with 185 additions and 1 deletions

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@ -0,0 +1,97 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.poi.hslf.record;
import java.io.IOException;
import java.io.OutputStream;
import org.apache.poi.util.LittleEndian;
/**
* This class represents the metadata of a link in a slide/notes/etc.
* It normally just holds a InteractiveInfoAtom, with the metadata
* in it.
* @author Nick Burch
*/
public class InteractiveInfo extends RecordContainer {
private byte[] _header;
private static long _type = RecordTypes.InteractiveInfo.typeID;
// Links to our more interesting children
private InteractiveInfoAtom infoAtom;
/**
* Returns the InteractiveInfoAtom of this InteractiveInfo
*/
public InteractiveInfoAtom getInteractiveInfoAtom() { return infoAtom; }
/**
* Set things up, and find our more interesting children
*/
protected InteractiveInfo(byte[] source, int start, int len) {
// Grab the header
_header = new byte[8];
System.arraycopy(source,start,_header,0,8);
// Find our children
_children = Record.findChildRecords(source,start+8,len-8);
findInterestingChildren();
}
/**
* Go through our child records, picking out the ones that are
* interesting, and saving those for use by the easy helper
* methods.
*/
private void findInterestingChildren() {
// First child should be the InteractiveInfoAtom
if(_children[0] instanceof InteractiveInfoAtom) {
infoAtom = (InteractiveInfoAtom)_children[0];
} else {
throw new IllegalStateException("First child record wasn't a InteractiveInfoAtom, was of type " + _children[0].getRecordType());
}
}
/**
* Create a new InteractiveInfo, with blank fields
*/
public InteractiveInfo() {
_header = new byte[8];
_children = new Record[1];
// Setup our header block
_header[0] = 0x0f; // We are a container record
LittleEndian.putShort(_header, 2, (short)_type);
// Setup our child records
infoAtom = new InteractiveInfoAtom();
_children[0] = infoAtom;
}
/**
* We are of type 4802
*/
public long getRecordType() { return _type; }
/**
* Write the contents of the record back, so it can be written
* to disk
*/
public void writeOut(OutputStream out) throws IOException {
writeOut(_header[0],_header[1],_type,_children,out);
}
}

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@ -120,7 +120,7 @@ public class RecordTypes {
public static final Type ExQuickTimeMovieData = new Type(4075,null); public static final Type ExQuickTimeMovieData = new Type(4075,null);
public static final Type ExControl = new Type(4078,null); public static final Type ExControl = new Type(4078,null);
public static final Type SlideListWithText = new Type(4080,SlideListWithText.class); public static final Type SlideListWithText = new Type(4080,SlideListWithText.class);
public static final Type InteractiveInfo = new Type(4082,null); public static final Type InteractiveInfo = new Type(4082,InteractiveInfo.class);
public static final Type InteractiveInfoAtom = new Type(4083,InteractiveInfoAtom.class); public static final Type InteractiveInfoAtom = new Type(4083,InteractiveInfoAtom.class);
public static final Type UserEditAtom = new Type(4085,UserEditAtom.class); public static final Type UserEditAtom = new Type(4085,UserEditAtom.class);
public static final Type CurrentUserAtom = new Type(4086,null); public static final Type CurrentUserAtom = new Type(4086,null);

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/* ====================================================================
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==================================================================== */
package org.apache.poi.hslf.record;
import java.io.ByteArrayOutputStream;
import junit.framework.TestCase;
/**
* Tests that InteractiveInfoAtom works properly.
*
* @author Nick Burch (nick at torchbox dot com)
*/
public class TestInteractiveInfo extends TestCase {
// From a real file
private byte[] data_a = new byte[] {
0x0F, 00, 0xF2-256, 0x0F, 0x18, 00, 00, 00,
00, 00, 0xF3-256, 0x0F, 0x10, 00, 00, 00,
00, 00, 00, 00, 01, 00, 00, 00,
04, 00, 00, 00, 8, 00, 00, 00
};
public void testRecordType() throws Exception {
InteractiveInfo ii = new InteractiveInfo(data_a, 0, data_a.length);
assertEquals(4082, ii.getRecordType());
}
public void testGetChildDetails() throws Exception {
InteractiveInfo ii = new InteractiveInfo(data_a, 0, data_a.length);
InteractiveInfoAtom ia = ii.getInteractiveInfoAtom();
assertEquals(1, ia.getNumber());
}
public void testWrite() throws Exception {
InteractiveInfo ii = new InteractiveInfo(data_a, 0, data_a.length);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ii.writeOut(baos);
byte[] b = baos.toByteArray();
assertEquals(data_a.length, b.length);
for(int i=0; i<data_a.length; i++) {
assertEquals(data_a[i],b[i]);
}
}
// Create A from scratch
public void testCreate() throws Exception {
InteractiveInfo ii = new InteractiveInfo();
InteractiveInfoAtom ia = ii.getInteractiveInfoAtom();
// Set values
ia.setNumber(1);
ia._setNumber1(0);
ia._setNumber3(4);
ia._setNumber4(8);
// Check it's now the same as a
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ii.writeOut(baos);
byte[] b = baos.toByteArray();
assertEquals(data_a.length, b.length);
for(int i=0; i<data_a.length; i++) {
assertEquals(data_a[i],b[i]);
}
}
}