com.google.gwt.core.ext.DefaultConfigurationProperty.java Source code

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Here is the source code for com.google.gwt.core.ext.DefaultConfigurationProperty.java

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/*
 * Copyright 2009 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.core.ext;

import java.util.List;

/**
 * Default immutable implementation of ConfigurationProperty that receives its
 * values in its constructor.
 */
public class DefaultConfigurationProperty implements ConfigurationProperty {

    private final String name;
    private final List<String> values;

    /**
     * Construct a configuration property.
     *  
     * @param name the name of this property, must not be null
     * @param values the list of possible values, must not be null and
     *     will be returned to callers, so a copy should be passed into this
     *     ctor if the caller will use this set later
     */
    public DefaultConfigurationProperty(String name, List<String> values) {
        assert name != null;
        assert values != null;
        this.name = name;
        this.values = values;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        DefaultConfigurationProperty other = (DefaultConfigurationProperty) obj;
        return name.equals(other.name) && values.equals(other.values);
    }

    public String getName() {
        return name;
    }

    public List<String> getValues() {
        return values;
    }

    @Override
    public int hashCode() {
        final int prime = 31;
        int result = 1;
        result = prime * result + name.hashCode();
        result = prime * result + values.hashCode();
        return result;
    }

    @Override
    public String toString() {
        return "ConfigProp " + name + ": " + values.toString();
    }
}