com.google.gwt.dev.util.arg.ArgHandlerSetProperties Maven / Gradle / Ivy
/*
* Copyright 2014 Google Inc.
*
* 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 com.google.gwt.dev.util.arg;
import com.google.gwt.thirdparty.guava.common.base.Splitter;
import com.google.gwt.util.tools.ArgHandlerString;
import java.util.List;
/**
* An argument handler to parse the -setProperty argument. Set the allowed values of a given
* property to the given values. The format is like: [-setProperty name=value,value,...,value].
* -setProperty flag can be used multiple times to set different properties. If a property is set
* multiple times, the last one over writes the others.
*/
public class ArgHandlerSetProperties extends ArgHandlerString {
private final OptionSetProperties options;
public ArgHandlerSetProperties(OptionSetProperties options) {
this.options = options;
}
@Override
public boolean setString(String str) {
assert (str != null);
List nameValuePair = Splitter.on("=").trimResults().omitEmptyStrings().splitToList(str);
if (nameValuePair.size() != 2) {
return false;
}
String name = nameValuePair.get(0);
String valuesList = nameValuePair.get(1);
Iterable values = Splitter.on(",").trimResults().omitEmptyStrings().split(valuesList);
options.setPropertyValues(name, values);
return true;
}
@Override
public String getPurpose() {
return "Set the values of a property in the form of propertyName=value1[,value2...].";
}
@Override
public String getTag() {
return "-setProperty";
}
@Override
public String[] getTagArgs() {
return new String[] {"name=value,value..."};
}
}