org.apache.maven.plugins.ear.EjbRef Maven / Gradle / Ivy

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Generates a J2EE Enterprise Archive (EAR) file.
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/*
 * 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.maven.plugins.ear;

import org.codehaus.plexus.util.xml.XMLWriter;

/**
 * Representation of {@code ejb-ref} element in {@code application.xml} file.
 *
 * @author Karl Heinz Marbaise
 * @since 2.10
 */
public class EjbRef {
    static final String DESCRIPTION = "description";

    static final String EJB_REF = "ejb-ref";

    static final String EJB_NAME = "ejb-ref-name";

    static final String EJB_TYPE = "ejb-ref-type";

    static final String EJB_LOOKUP_NAME = "lookup-name";

    private final String description;

    private String name;

    private String type;

    private String lookupName;

    /**
     * @param description The ejb-ref description.
     * @param name The ejb-ref-name.
     * @param type The ejb-ref-type
     * @param lookupName The lookupname.
     */
    public EjbRef(String description, String name, String type, String lookupName) {
        if (name == null || name.isEmpty()) {
            throw new IllegalArgumentException(EJB_NAME + " in " + EJB_REF + " element cannot be null.");
        } else if ((type == null || type.isEmpty()) && (lookupName == null || lookupName.isEmpty())) {
            throw new IllegalArgumentException(EJB_TYPE + " in " + EJB_REF + " element cannot be null if no "
                    + EJB_LOOKUP_NAME + " was specified.");
        }

        this.description = description;
        this.name = name;
        this.type = type;
        this.lookupName = lookupName;
    }

    /**
     * Appends the {@code XML} representation of this env-entry.
     *
     * @param writer the writer to use
     */
    public void appendEjbRefEntry(XMLWriter writer) {
        writer.startElement(EJB_REF);

        // description
        if (getDescription() != null) {
            doWriteElement(writer, DESCRIPTION, getDescription());
        }

        // ejb name
        doWriteElement(writer, EJB_NAME, getName());

        // ejb-type
        if (getType() != null) {
            doWriteElement(writer, EJB_TYPE, getType());
        }

        // lookup-name
        if (getLookupName() != null) {
            doWriteElement(writer, EJB_LOOKUP_NAME, getLookupName());
        }

        // end of ejb-ref
        writer.endElement();
    }

    private void doWriteElement(XMLWriter writer, String element, String text) {
        writer.startElement(element);
        writer.writeText(text);
        writer.endElement();
    }

    /**
     * @return {@link #name}
     */
    public String getName() {
        return name;
    }

    /**
     * @param name {@link #name}
     */
    public void setName(String name) {
        this.name = name;
    }

    /**
     * @return {@link #type}
     */
    public String getType() {
        return type;
    }

    /**
     * @param type {@link #type}
     */
    public void setType(String type) {
        this.type = type;
    }

    /**
     * @return {@link #lookupName}
     */
    public String getLookupName() {
        return lookupName;
    }

    /**
     * @param lookupName {@link #lookupName}
     */
    public void setLookupName(String lookupName) {
        this.lookupName = lookupName;
    }

    /**
     * @return {@link #description}
     */
    public String getDescription() {
        return description;
    }
}