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comparison src/de/mpiwg/itgroup/indexMeta2RDF/IndexMetaIterator.java @ 4:e93de4e99b52 default tip

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indexMeta2rdf in dieses Projekt verschoben
author dwinter
date Thu, 21 Jun 2012 14:37:55 +0200
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3:6c8dac2c5214 4:e93de4e99b52
1 package de.mpiwg.itgroup.indexMeta2RDF;
2
3
4 /*
5 * Copyright 2000-2004 The Apache Software Foundation
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 *
19 */
20
21 import java.io.File;
22 import java.io.FileInputStream;
23 import java.io.IOException;
24 import java.util.ArrayList;
25 import java.util.Enumeration;
26 import java.util.Iterator;
27 import java.util.List;
28 import java.util.Stack;
29 import java.util.Vector;
30
31
32
33 import org.apache.log4j.Logger;
34 import org.jdom.Document;
35 import org.jdom.JDOMException;
36 import org.jdom.input.SAXBuilder;
37
38
39 /**
40 * An iterator which iterates through the contents of a java directory. The
41 * iterator should be created with the directory at the root of the Java
42 * namespace.
43 *
44 */
45 public class IndexMetaIterator implements Iterator<String> {
46
47 private File rootFolder;
48 private File currentFolder;
49 private Stack<String> stack;
50 private ArrayList<String>filter; //Array of paths which shouldn'T be indexed
51
52 public IndexMetaIterator(File rootFolder) throws IOException{
53
54 filter = new ArrayList<String>();
55 filter.add("/mpiwg/online/permanent/SudanRockArt"); // TODO: make this configurable
56
57 this.rootFolder=rootFolder;
58 this.currentFolder=rootFolder;
59 this.stack = new Stack<String>();
60
61 for (String f:rootFolder.list()){
62 String fn = rootFolder.getCanonicalPath()+"/"+f;
63 if (!filter.contains(fn)){
64 if (!f.equals("")){ // FIXME some filesystems (sshfs?) gives empty filenames if the path contains special characters.
65 stack.push(fn);}
66 else {
67 Logger.getLogger("notAddedFilesLogger").info("Folder -" +fn+" contains files with charakters I cannot read!" );
68 }
69 }
70 }
71 }
72 @Override
73 public boolean hasNext() {
74 // TODO Auto-generated method stub
75 return !stack.isEmpty();
76 }
77
78 @Override
79 public String next() {
80 // TODO Auto-generated method stub
81 String nextFile = stack.pop();
82 while(!nextFile.endsWith(".meta") && !stack.isEmpty()){
83 System.out.println("CHECK_________"+nextFile);
84
85
86 if(!nextFile.endsWith("pageimg")){ //skip pageimg
87
88
89 File nf = new File(nextFile);
90
91
92 if(nf.isDirectory()){
93 String[] ls = nf.list();
94 if (ls==null){
95 return null;
96 }
97 for (String f:ls){
98 String fn;
99 try {
100 if (!f.startsWith(".")){
101 fn = nf.getCanonicalPath()+"/"+f;
102 if (!filter.contains(fn)){
103 if (!f.equals("")) {// FIXME some filesystems (sshfs?) gives empty filenames if the path contains special characters.
104 stack.push(fn);}
105 else {
106 Logger.getLogger("notAddedFilesLogger").info("Folder -" +fn+" contains files with characters I cannot read!" );
107 }
108
109 }
110 }
111 } catch (IOException e) {
112 // TODO Auto-generated catch block
113 e.printStackTrace();
114 }
115
116 }
117 }
118 }
119
120 nextFile = stack.pop();
121
122 }
123 if (!nextFile.endsWith(".meta")) //der letzte Eintrag muss noch gretrennt getestet werden.
124 nextFile = null;
125 System.out.println("FOUND:"+nextFile);
126
127 if (nextFile!=null)
128 return nextFile;
129
130 return null;
131 }
132
133
134 @Override
135 public void remove() {
136 // TODO Auto-generated method stub
137
138 }
139
140
141
142 }
143
144
145