82 lines
2.8 KiB
Java
Executable File
82 lines
2.8 KiB
Java
Executable File
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.openxml4j.opc;
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import java.util.ArrayList;
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import java.util.TreeMap;
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import org.apache.poi.openxml4j.exceptions.InvalidOperationException;
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/**
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* A package part collection.
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*
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* @author Julien Chable
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* @version 0.1
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*/
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public final class PackagePartCollection extends
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TreeMap<PackagePartName, PackagePart> {
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private static final long serialVersionUID = 2515031135957635515L;
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/**
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* Arraylist use to store this collection part names as string for rule
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* M1.11 optimized checking.
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*/
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private ArrayList<String> registerPartNameStr = new ArrayList<String>();
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@Override
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public Object clone() {
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return super.clone();
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}
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/**
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* Check rule [M1.11]: a package implementer shall neither create nor
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* recognize a part with a part name derived from another part name by
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* appending segments to it.
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*
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* @exception InvalidOperationException
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* Throws if you try to add a part with a name derived from
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* another part name.
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*/
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@Override
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public PackagePart put(PackagePartName partName, PackagePart part) {
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String[] segments = partName.getURI().toASCIIString().split(
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PackagingURIHelper.FORWARD_SLASH_STRING);
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StringBuffer concatSeg = new StringBuffer();
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for (String seg : segments) {
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if (!seg.equals(""))
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concatSeg.append(PackagingURIHelper.FORWARD_SLASH_CHAR);
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concatSeg.append(seg);
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if (this.registerPartNameStr.contains(concatSeg.toString())) {
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throw new InvalidOperationException(
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"You can't add a part with a part name derived from another part ! [M1.11]");
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}
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}
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this.registerPartNameStr.add(partName.getName());
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return super.put(partName, part);
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}
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@Override
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public PackagePart remove(Object key) {
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if (key instanceof PackagePartName) {
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this.registerPartNameStr.remove(((PackagePartName) key).getName());
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}
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return super.remove(key);
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}
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}
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