substractservice.java

开源的axis2框架的源码。用于开发WEBSERVER

/*
 * 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 sample.sgccalculator;

import org.apache.axiom.om.OMAbstractFactory;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMFactory;
import org.apache.axiom.om.OMNamespace;
import org.apache.axis2.context.MessageContext;
import org.apache.axis2.context.ServiceGroupContext;
import org.apache.axis2.context.OperationContext;
import org.apache.axis2.AxisFault;
import org.apache.axis2.wsdl.WSDLConstants;

import java.util.Iterator;

public class SubstractService {

	MessageContext msgContext = null;
	
	public void setOperationContext(OperationContext opContext) throws AxisFault {
        this.msgContext = opContext.getMessageContext(WSDLConstants.MESSAGE_LABEL_IN_VALUE);
    }
	
	public OMElement substract (OMElement elem){
		Iterator iter = elem.getChildElements();
		String param1Str = ((OMElement) iter.next()).getText();
		String param2Str = ((OMElement) iter.next()).getText();
		
		int param1 = Integer.parseInt(param1Str);
		int param2 = Integer.parseInt(param2Str);
		int result = param1 - param2;
		
		if (msgContext!=null)
			System.out.println ("ServiceGroupContextID:" + msgContext.getServiceGroupContextId());
		else
			System.out.println ("Message Context is null");
		
		OMFactory fac = OMAbstractFactory.getOMFactory();
		OMNamespace namespace = fac.createOMNamespace("http://axis2/test/namespace1","ns1");
		
		OMElement resultElem = fac.createOMElement("result",namespace);
		resultElem.setText(Integer.toString(result ));
		
		msgContext.getServiceGroupContext().setProperty(Constants.CALCULATOR_PREVIOUS_KEY,Integer.toString(result));
		return resultElem;
	}
	
	public OMElement substractPrevious (OMElement elem) {
		Iterator iter = elem.getChildElements();
		String paramStr = ((OMElement) iter.next()).getText();
		
		int param = Integer.parseInt(paramStr);

		if (msgContext==null){
			System.out.println ("message context is null");
			return null;
		}
		
		ServiceGroupContext sgc = msgContext.getServiceGroupContext();
		if (sgc==null){
			System.out.println ("message context is null");
			return null;
		}
		
		String previousStr = (String) sgc.getProperty(Constants.CALCULATOR_PREVIOUS_KEY);
		if (previousStr==null) {
			System.out.println ("Previous is null");
			return null;
		}
		
		int previous = Integer.parseInt(previousStr);
		
		int result = previous - param;
		
		if (msgContext!=null)
			System.out.println ("ServiceGroupContextID:" + msgContext.getServiceGroupContextId());
		else
			System.out.println ("Message Context is null");
		
		OMFactory fac = OMAbstractFactory.getOMFactory();
		OMNamespace namespace = fac.createOMNamespace("http://axis2/test/namespace1","ns1");
		
		OMElement resultElem = fac.createOMElement("result",namespace);
		resultElem.setText(Integer.toString(result ));
		
		msgContext.getServiceGroupContext().setProperty(Constants.CALCULATOR_PREVIOUS_KEY,Integer.toString(result));
		return resultElem;
	}
	
}