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Ant example source code file (ExtraAttribute.java)

This example Ant source code file (ExtraAttribute.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Ant tags/keywords

buildexception, buildexception, extraattribute, extraattribute, missing, missing, string, string

The ExtraAttribute.java source code

/*
 *  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.tools.ant.taskdefs.optional.extension;

import org.apache.tools.ant.BuildException;

/**
 * Simple holder for extra attributes in main section of manifest.
 *
 * @todo Refactor this and all the other parameter, sysproperty,
 *   property etc into a single class in framework
 */
public class ExtraAttribute {
    private String name;
    private String value;

    /**
     * Set the name of the parameter.
     *
     * @param name the name of parameter
     */
    public void setName(final String name) {
        this.name = name;
    }

    /**
     * Set the value of the parameter.
     *
     * @param value the parameter value
     */
    public void setValue(final String value) {
        this.value = value;
    }

    /**
     * Retrieve name of parameter.
     *
     * @return the name of parameter.
     */
    String getName() {
        return name;
    }

    /**
     * Retrieve the value of parameter.
     *
     * @return the value of parameter.
     */
    String getValue() {
        return value;
    }

    /**
     * Make sure that neither the name or the value
     * is null.
     *
     * @throws BuildException if the attribute is invalid.
     */
    public void validate() throws BuildException {
        if (null == name) {
            final String message = "Missing name from parameter.";
            throw new BuildException(message);
        } else if (null == value) {
            final String message = "Missing value from parameter " + name + ".";
            throw new BuildException(message);
        }
    }
}

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