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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.
*/
/* @version $Rev$ $Date$ */
/*
* Branched from the original class that was also contributed to the
* org.apache.axis.tools.common package.
*/
package org.apache.tuscany.sca.cpp.tools.common;
import java.io.File;
import java.util.Set;
import java.util.StringTokenizer;
public class DirectoryTree {
private FileActor actor;
private Set extensions;
public DirectoryTree(FileActor actor, Set extensions) {
this.actor = actor;
this.extensions = extensions;
}
/**
* Starts adding trace into the given file. If the given file is a directory
* then this the starting directory and all code beneath and in this
* directory will be given trace.
*
* @param source -
* either the starting directory or one file to add trace to.
*/
public void walkTree(File source, File target, int depth) throws Exception {
depth++;
boolean noTarget = (null == target);
if (!source.canRead())
Utils.rude("Cannot read from source directory " + source);
if (!noTarget && !target.canWrite())
Utils.rude("Cannot write to target directory " + target);
if (source.isDirectory()) {
File[] filesInDirectory = source.listFiles();
for (int i = 0; i < filesInDirectory.length; i++) {
File file = filesInDirectory[i];
String name = file.getName();
int dot = name.lastIndexOf('.');
String ext = null;
if (-1 != dot)
ext = name.substring(dot + 1);
if (file.isDirectory()) {
File newTarget = null;
if (!noTarget) {
StringTokenizer st = new StringTokenizer(
file.getPath(), "\\/");
String newdir = null;
while (st.hasMoreTokens())
newdir = st.nextToken();
String targetName = maybeAppendSeparator(target
.toString());
newTarget = new File(targetName + newdir);
if (!newTarget.mkdir())
Utils.rude("Failed to create target directory "
+ newTarget);
}
// recurse
walkTree(file, newTarget, depth);
} else if (file.isFile()
&& (extensions == null || (!file.isHidden() && extensions
.contains(ext)))) {
// this is a file and we need to add trace into it !
actor.actOnFile(file, target, depth);
}
}
} else {
actor.actOnFile(source, target, depth);
}
}
public static String maybeAppendSeparator(String name) {
if (!name.endsWith("/") && !name.endsWith("\\"))
name += "/";
return name;
}
}
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