| /* |
| * 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; |
| import org.apache.poi.util.POILogger; |
| |
| /** |
| * 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 = 4082; |
| |
| // 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 == null || _children.length == 0 || !(_children[0] instanceof InteractiveInfoAtom)) { |
| logger.log(POILogger.WARN, "First child record wasn't a InteractiveInfoAtom - leaving this atom in an invalid state..."); |
| return; |
| } |
| |
| infoAtom = (InteractiveInfoAtom)_children[0]; |
| } |
| |
| /** |
| * 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); |
| } |
| } |