/*
 * 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.soap.impl.dom;

import org.apache.axiom.om.OMConstants;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMException;
import org.apache.axiom.om.OMXMLParserWrapper;
import org.apache.axiom.soap.SOAP11Constants;
import org.apache.axiom.soap.SOAP12Constants;
import org.apache.axiom.soap.SOAPBody;
import org.apache.axiom.soap.SOAPConstants;
import org.apache.axiom.soap.SOAPEnvelope;
import org.apache.axiom.soap.SOAPFactory;
import org.apache.axiom.soap.SOAPFault;
import org.apache.axiom.soap.SOAPProcessingException;

public abstract class SOAPBodyImpl extends SOAPElement implements SOAPBody,
		OMConstants {

	/**
	 * Field hasSOAPFault
	 */
	protected boolean hasSOAPFault = false;

	/**
	 * @param envelope
	 */
	public SOAPBodyImpl(SOAPEnvelope envelope, SOAPFactory factory)
            throws SOAPProcessingException {
		super(envelope, SOAPConstants.BODY_LOCAL_NAME, true, factory);

	}

	/**
	 * Constructor SOAPBodyImpl
	 *
	 * @param envelope
	 * @param builder
	 */
	public SOAPBodyImpl(SOAPEnvelope envelope, OMXMLParserWrapper builder,
            SOAPFactory factory) {
		super(envelope, SOAPConstants.BODY_LOCAL_NAME, builder, factory);
	}

	/**
	 * Creates a new <code>SOAPFault</code> object and adds it to
	 * this <code>SOAPBody</code> object.
	 *
	 * @param e
	 * @return the new <code>SOAPFault</code> object
	 * @throws org.apache.axiom.om.OMException
	 *                     if there is a SOAP error
	 * @throws OMException
	 */
	public abstract SOAPFault addFault(Exception e) throws OMException;

	/**
	 * Indicates whether a <code>SOAPFault</code> object exists in
	 * this <code>SOAPBody</code> object.
	 *
	 * @return <code>true</code> if a <code>SOAPFault</code> object exists in
	 *         this <code>SOAPBody</code> object; <code>false</code>
	 *         otherwise
	 */
	public boolean hasFault() {
		if (hasSOAPFault) {
			return true;
		} else {
			OMElement element = getFirstElement();
			if (element != null
					&& SOAPConstants.SOAPFAULT_LOCAL_NAME.equals(element
							.getLocalName())
					&& (SOAP11Constants.SOAP_ENVELOPE_NAMESPACE_URI
							.equals(element.getNamespace().getName()) || SOAP12Constants.SOAP_ENVELOPE_NAMESPACE_URI
							.equals(element.getNamespace().getName()))) { //added this line
				hasSOAPFault = true;
				return true;
			} else {
				return false;
			}
		}
	}

	/**
	 * Returns the <code>SOAPFault</code> object in this <code>SOAPBody</code>
	 * object.
	 *
	 * @return the <code>SOAPFault</code> object in this <code>SOAPBody</code>
	 *         object
	 */
	public SOAPFault getFault() {
		OMElement element = getFirstElement();
		if (hasSOAPFault) {
			return (SOAPFault) element;
		} else if (element != null
				&& SOAPConstants.SOAPFAULT_LOCAL_NAME.equals(element
						.getLocalName())
				&& (SOAP11Constants.SOAP_ENVELOPE_NAMESPACE_URI.equals(element
						.getNamespace().getName()) || SOAP12Constants.SOAP_ENVELOPE_NAMESPACE_URI
						.equals(element.getNamespace().getName()))) { //added this line
			hasSOAPFault = true;
			return (SOAPFault) element;
		} else {
			return null;
		}

	}

	/**
	 * @param soapFault
	 * @throws org.apache.axiom.om.OMException
	 *
	 * @throws OMException
	 */
	public void addFault(SOAPFault soapFault) throws OMException {
		if (hasSOAPFault) {
			throw new OMException(
					"SOAP Body already has a SOAP Fault and there can not be " +
                    "more than one SOAP fault");
		}
		addChild(soapFault);
		hasSOAPFault = true;
	}

	protected void checkParent(OMElement parent) throws SOAPProcessingException {
		if (!(parent instanceof SOAPEnvelopeImpl)) {
			throw new SOAPProcessingException(
					"Expecting an implementation of SOAP Envelope as the " +
                    "parent. But received some other implementation");
		}
	}

	/*public OMNode detach() throws OMException {
		throw new SOAPProcessingException(
				"Can not detach SOAP Body, SOAP Envelope must have a Body !!");
	}*/
}