/*
 * Copyright 2004,2005 The Apache Software Foundation.
 *
 * 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 org.apache.axiom.om.impl.llom;

import org.apache.axiom.om.OMComment;
import org.apache.axiom.om.OMContainer;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMException;
import org.apache.axiom.om.OMFactory;
import org.apache.axiom.om.OMNode;

import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamWriter;

public class OMCommentImpl extends OMNodeImpl implements OMComment {
    protected String value;

    /**
     * Constructor OMCommentImpl.
     *
     * @param parentNode
     * @param contentText
     */
    public OMCommentImpl(OMContainer parentNode, String contentText, 
            OMFactory factory) {
        super(parentNode, factory);
        this.value = contentText;
        nodeType = OMNode.COMMENT_NODE;
        this.done = true;
    }

    /**
     * Constructor OMCommentImpl.
     *
     * @param parentNode
     */
    public OMCommentImpl(OMContainer parentNode, OMFactory factory) {
        this(parentNode, null, factory);
    }

    /**
     * Serializes the node with caching.
     *
     * @param writer
     * @throws XMLStreamException
     */
    public void internalSerialize(XMLStreamWriter writer) throws XMLStreamException {
        writer.writeComment(this.value);
    }

    /**
     * Serializes the node without caching.
     *
     * @param writer
     * @throws XMLStreamException
     */
    public void internalSerializeAndConsume(XMLStreamWriter writer) throws XMLStreamException {
        internalSerialize(writer);
    }

    /**
     * Gets the value of this comment.
     *
     * @return Returns String.
     */
    public String getValue() {
        return value;
    }

    /**
     * Sets the value of this comment.
     *
     * @param text
     */
    public void setValue(String text) {
        this.value = text;
    }

    /**
     * Discards this node.
     *
     * @throws OMException
     */
    public void discard() throws OMException {
        if (done) {
            this.detach();
        } else {
            builder.discard((OMElement) this.parent);
        }
    }
}