/* ====================================================================
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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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/* ================================================================
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* About NPOI
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* Author: Tony Qu
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* Author's email: tonyqus (at) gmail.com
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* Author's Blog: tonyqus.wordpress.com.cn (wp.tonyqus.cn)
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* HomePage: http://www.codeplex.com/npoi
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* Contributors:
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*
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* ==============================================================*/
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using System;
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using System.Collections.Generic;
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using System.Text;
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namespace HH.WMS.Utils.NPOI.POIFS.FileSystem
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{
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/// <summary>
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/// Class DocumentDescriptor
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/// @author Marc Johnson (mjohnson at apache dot org)
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/// </summary>
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public class DocumentDescriptor
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{
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private POIFSDocumentPath path;
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private String name;
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private int hashcode = 0;
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/// <summary>
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/// Initializes a new instance of the <see cref="DocumentDescriptor"/> class.
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/// </summary>
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/// <param name="path">the Document path</param>
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/// <param name="name">the Document name</param>
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public DocumentDescriptor(POIFSDocumentPath path, String name)
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{
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if (path == null)
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{
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throw new NullReferenceException("path must not be null");
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}
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if (name == null)
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{
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throw new NullReferenceException("name must not be null");
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}
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if (name.Length== 0)
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{
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throw new ArgumentException("name cannot be empty");
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}
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this.path = path;
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this.name = name;
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}
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/// <summary>
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/// Gets the path.
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/// </summary>
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/// <value>The path.</value>
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public string Path
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{
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get { return this.path.ToString(); }
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}
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/// <summary>
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/// Gets the name.
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/// </summary>
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/// <value>The name.</value>
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public string Name
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{
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get { return this.name; }
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}
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/// <summary>
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/// equality. Two DocumentDescriptor instances are equal if they
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/// have equal paths and names
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/// </summary>
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/// <param name="o">the object we're checking equality for</param>
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/// <returns>true if the object is equal to this object</returns>
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public override bool Equals(Object o)
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{
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bool rval = false;
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if ((o != null) && (o.GetType()== this.GetType()))
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{
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if (this == o)
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{
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rval = true;
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}
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else
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{
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DocumentDescriptor descriptor = ( DocumentDescriptor ) o;
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rval = this.path.Equals(descriptor.path)
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&& this.name.Equals(descriptor.name);
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}
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}
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return rval;
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}
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/// <summary>
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/// Serves as a hash function for a particular type.
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/// </summary>
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/// <returns>
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/// hashcode
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/// </returns>
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public override int GetHashCode()
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{
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if (hashcode == 0)
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{
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hashcode = path.GetHashCode() ^ name.GetHashCode();
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}
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return hashcode;
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}
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/// <summary>
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/// Returns a <see cref="T:System.String"/> that represents the current <see cref="T:System.Object"/>.
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/// </summary>
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/// <returns>
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/// A <see cref="T:System.String"/> that represents the current <see cref="T:System.Object"/>.
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/// </returns>
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public override String ToString()
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{
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StringBuilder buffer = new StringBuilder(40 * (path.Length + 1));
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for (int j = 0; j < path.Length; j++)
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{
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buffer.Append(path.GetComponent(j)).Append("/");
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}
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buffer.Append(name);
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return buffer.ToString();
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}
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}
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}
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