/**
* Copyright (c) 2006 by Chris Gray, /k/ Embedded Java Solutions.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of /k/ Embedded Java Solutions nor the names of other contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL /K/
* EMBEDDED SOLUTIONS OR OTHER CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: ValueChecker.java,v 1.1 2006/09/20 14:21:05 cvsroot Exp $
*/
package be.kiffer.mika.ant;
import java.util.StringTokenizer;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;
import org.apache.tools.ant.Task;
/**
* ValueChecker:
*
* @author Gerrit Ruelens
*
* created: Sep 20, 2006
*/
public class ValueChecker extends Task {
private String property;
private String values;
/**
* @return Returns the property.
*/
public final String getProperty() {
return property;
}
/**
* @param property The property to set.
*/
public final void setProperty(String property) {
this.property = property;
}
/**
* @return Returns the values.
*/
public final String getValues() {
return values;
}
/**
* @param values The values to set.
*/
public final void setValues(String values) {
this.values = values;
}
/**
* @see org.apache.tools.ant.Task#execute()
*/
public void execute() throws BuildException {
if(property == null) {
throw new BuildException("No property defined");
}
Project project = this.getProject();
String value = project.getProperty(property);
if(value == null) {
value = project.getUserProperty(property);
if(value == null) {
throw new BuildException("property '"+property
+"' is not set. please define "+property);
}
}
if(values != null) {
StringTokenizer tokens = new StringTokenizer(values, "|");
while (tokens.hasMoreElements()) {
if(value.equals(tokens.nextToken())) {
return;
}
}
throw new BuildException("Invalid value '"+value+"' for property '"+
property+"'. Use on of: "+values);
}
}
}