/*
* Copyright (C) 2004-2008 Jive Software. All rights reserved.
*
* Licensed 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.jivesoftware.ant;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import java.io.File;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
/**
* A simple ant task to return the sub directories of a given dir as a comma delimited string.
*
* This class does not need jdk 1.5 to compile.
*/
public class SubDirInfoTask extends Task {
public static final String DEFAULT_DELIM = ",";
private File dir;
private String property;
private String delimiter;
private String ifexists;
private String except;
public SubDirInfoTask() {
}
public File getDir() {
return dir;
}
public void setDir(File dir) {
this.dir = dir;
}
public String getProperty() {
return property;
}
public void setProperty(String property) {
this.property = property;
}
public String getDelimiter() {
if (delimiter == null) {
return DEFAULT_DELIM;
}
return delimiter;
}
public void setDelimiter(String delimiter) {
this.delimiter = delimiter;
}
public String getIfexists() {
return ifexists;
}
public void setIfexists(String ifexists) {
this.ifexists = ifexists;
}
public String getExcept() {
return except;
}
public void setExcept(String except) {
this.except = except;
}
public void execute() throws BuildException {
// Get the siblings of the given directory, add sub directory names to the property
List excepts;
if (except != null) {
excepts = Arrays.asList( except.split( getDelimiter() ) );
} else {
excepts = Collections.EMPTY_LIST;
}
File[] subdirs = dir.listFiles();
StringBuffer buf = new StringBuffer();
String value = null;
String sep = "";
if (subdirs != null) {
for (int i=0; i<subdirs.length; i++) {
File subdir = subdirs[i];
boolean add = false;
if (subdir.isDirectory()) {
if (getIfexists() != null) {
File file = new File(subdir, getIfexists());
if (file.exists()) {
add = true;
}
}
else {
add = true;
}
}
if (add && !excepts.contains(subdir.getName())) {
buf.append(sep).append(subdir.getName());
sep = getDelimiter();
}
}
}
if (buf.length() > 0) {
value = buf.toString();
}
if (value == null) {
log("No tokens found.", Project.MSG_DEBUG);
}
else {
log("Setting property '" + property + "' to " + value, Project.MSG_DEBUG);
if (buf.length() >= 0) {
getProject().setProperty(property, value);
}
}
}
}