/*
* 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.
*
*/
package org.apache.ivy.ant;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.net.URL;
import java.util.Iterator;
import java.util.Properties;
import org.apache.ivy.Ivy;
import org.apache.ivy.core.settings.IvySettings;
import org.apache.tools.ant.BuildException;
/**
* This task let user set ivy variables from ant.
*/
public class IvyVar extends IvyTask {
private String name;
private String value;
private File file;
private String url;
private String prefix;
public File getFile() {
return file;
}
public void setFile(File aFile) {
file = aFile;
}
public String getName() {
return name;
}
public void setName(String aName) {
name = aName;
}
public String getPrefix() {
return prefix;
}
public void setPrefix(String aPrefix) {
prefix = aPrefix;
}
public String getUrl() {
return url;
}
public void setUrl(String aUrl) {
url = aUrl;
}
public String getValue() {
return value;
}
public void setValue(String aValue) {
value = aValue;
}
public void doExecute() throws BuildException {
Ivy ivy = getIvyInstance();
IvySettings settings = ivy.getSettings();
if (getName() != null) {
settings.setVariable(getVarName(getName()), getValue());
} else {
Properties props = new Properties();
InputStream is = null;
try {
if (getFile() != null) {
is = new FileInputStream(getFile());
} else if (getUrl() != null) {
is = new URL(getUrl()).openStream();
} else {
throw new BuildException("specify either name or file or url to ivy var task");
}
props.load(is);
} catch (Exception ex) {
throw new BuildException("impossible to load variables from file: " + ex, ex);
} finally {
if (is != null) {
try {
is.close();
} catch (Exception e) {
// ignore
}
}
}
for (Iterator iter = props.keySet().iterator(); iter.hasNext();) {
String name = (String) iter.next();
String value = (String) props.get(name);
settings.setVariable(getVarName(name), value);
}
}
}
private String getVarName(String name) {
String prefix = getPrefix();
if (prefix != null) {
if (prefix.endsWith(".")) {
return prefix + name;
} else {
return prefix + "." + name;
}
}
return name;
}
}