Java tutorial
/* * 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.synapse.mediators.builtin; import junit.framework.TestCase; import org.apache.http.protocol.HTTP; import org.apache.synapse.MessageContext; import org.apache.synapse.core.axis2.Axis2MessageContext; import org.apache.synapse.config.xml.XMLConfigConstants; import org.apache.synapse.mediators.MediatorProperty; import org.apache.synapse.mediators.TestUtils; import org.apache.synapse.util.xpath.SynapseXPath; import org.apache.axiom.om.OMElement; import java.util.Map; public class PropertyMediatorTest extends TestCase { public void testSetAndReadContextProperty() throws Exception { PropertyMediator propMediator = new PropertyMediator(); propMediator.setName("name"); propMediator.setValue("value"); // set a local property to the synapse context PropertyMediator propMediatorTwo = new PropertyMediator(); propMediatorTwo.setName("nameTwo"); propMediatorTwo.setValue("valueTwo"); MessageContext synCtx = TestUtils.getTestContext("<empty/>"); propMediator.mediate(synCtx); propMediatorTwo.mediate(synCtx); assertTrue("value".equals((new SynapseXPath("synapse:get-property('name')")).stringValueOf(synCtx))); assertTrue("valueTwo".equals((new SynapseXPath("synapse:get-property('nameTwo')")).stringValueOf(synCtx))); PropertyMediator propMediatorThree = new PropertyMediator(); propMediatorThree.setName("name"); propMediatorThree.setValue("value"); propMediatorThree.setAction(PropertyMediator.ACTION_REMOVE); propMediatorThree.mediate(synCtx); assertNull((new SynapseXPath("synapse:get-property('name')")).stringValueOf(synCtx)); assertTrue("valueTwo".equals((new SynapseXPath("synapse:get-property('nameTwo')")).stringValueOf(synCtx))); } public void testTypeAwarePropertyHandling() throws Exception { PropertyMediator propMediatorOne = new PropertyMediator(); propMediatorOne.setName("nameOne"); propMediatorOne.setValue("valueOne", XMLConfigConstants.DATA_TYPES.STRING.name()); PropertyMediator propMediatorTwo = new PropertyMediator(); propMediatorTwo.setName("nameTwo"); propMediatorTwo.setValue("25000", XMLConfigConstants.DATA_TYPES.INTEGER.name()); propMediatorTwo.setScope(XMLConfigConstants.SCOPE_AXIS2); PropertyMediator propMediatorThree = new PropertyMediator(); propMediatorThree.setName("nameThree"); propMediatorThree.setValue("123.456", XMLConfigConstants.DATA_TYPES.DOUBLE.name()); propMediatorThree.setScope(XMLConfigConstants.SCOPE_TRANSPORT); PropertyMediator propMediatorFour = new PropertyMediator(); propMediatorFour.setName("nameFour"); propMediatorFour.setValue("true", XMLConfigConstants.DATA_TYPES.BOOLEAN.name()); PropertyMediator propMediatorFive = new PropertyMediator(); propMediatorFive.setName("nameFive"); propMediatorFive.setValue("123456", XMLConfigConstants.DATA_TYPES.LONG.name()); propMediatorFive.setScope(XMLConfigConstants.SCOPE_AXIS2); PropertyMediator propMediatorSix = new PropertyMediator(); propMediatorSix.setName("nameSix"); propMediatorSix.setValue("12345", XMLConfigConstants.DATA_TYPES.SHORT.name()); propMediatorSix.setScope(XMLConfigConstants.SCOPE_TRANSPORT); PropertyMediator propMediatorSeven = new PropertyMediator(); propMediatorSeven.setName("nameSeven"); propMediatorSeven.setValue("123.456", XMLConfigConstants.DATA_TYPES.FLOAT.name()); MessageContext synCtx = TestUtils.createLightweightSynapseMessageContext("<empty/>"); propMediatorOne.mediate(synCtx); propMediatorTwo.mediate(synCtx); propMediatorThree.mediate(synCtx); propMediatorFour.mediate(synCtx); propMediatorFive.mediate(synCtx); propMediatorSix.mediate(synCtx); propMediatorSeven.mediate(synCtx); org.apache.axis2.context.MessageContext axisCtx = ((Axis2MessageContext) synCtx).getAxis2MessageContext(); Map transportHeaders = (Map) axisCtx.getProperty(org.apache.axis2.context.MessageContext.TRANSPORT_HEADERS); Object valueOne = synCtx.getProperty("nameOne"); Object valueTwo = axisCtx.getProperty("nameTwo"); Object valueThree = transportHeaders.get("nameThree"); Object valueFour = synCtx.getProperty("nameFour"); Object valueFive = axisCtx.getProperty("nameFive"); Object valueSix = transportHeaders.get("nameSix"); Object valueSeven = synCtx.getProperty("nameSeven"); assertEquals("valueOne", valueOne); assertEquals(new Integer(25000), valueTwo); assertEquals(new Double(123.456), valueThree); assertEquals(Boolean.TRUE, valueFour); assertEquals(new Long(123456), valueFive); assertEquals(new Short("12345"), valueSix); assertEquals(new Float(123.456), valueSeven); } public void testSpecialPropertiesHandling() throws Exception { MessageContext synCtx = TestUtils.createLightweightSynapseMessageContext("<empty/>"); PropertyMediator propMediatorEight = new PropertyMediator(); propMediatorEight.setName(HTTP.CONTENT_TYPE); propMediatorEight.setValue("application/xml"); propMediatorEight.setScope(XMLConfigConstants.SCOPE_TRANSPORT); PropertyMediator propMediatorNine = new PropertyMediator(); propMediatorNine.setName(org.apache.axis2.Constants.Configuration.MESSAGE_TYPE); propMediatorNine.setValue("application/json"); propMediatorNine.setScope(XMLConfigConstants.SCOPE_AXIS2); propMediatorEight.mediate(synCtx); propMediatorNine.mediate(synCtx); org.apache.axis2.context.MessageContext axisCtx = ((Axis2MessageContext) synCtx).getAxis2MessageContext(); Map transportHeaders = (Map) axisCtx.getProperty(org.apache.axis2.context.MessageContext.TRANSPORT_HEADERS); assertNotNull(transportHeaders); assertTrue("application/json".equals(transportHeaders.get(HTTP.CONTENT_TYPE))); } public void testXMLPropertyHandling() throws Exception { PropertyMediator propMediatorOne = new PropertyMediator(); propMediatorOne.setName("nameOne"); String xml = "<Project><name>Synapse</name></Project>"; OMElement valueOne = TestUtils.createOMElement(xml); propMediatorOne.setValueElement(valueOne); // Test setting XML properties MessageContext synCtx = TestUtils.getTestContext("<getQuote><symbol>IBM</symbol></getQuote>"); propMediatorOne.mediate(synCtx); Object prop = synCtx.getProperty("nameOne"); assertEquals(valueOne.toString(), prop.toString()); // Objects are not equal, so need to compare the content // Test XML property retreival String exprValue = new SynapseXPath("synapse:get-property('nameOne')").stringValueOf(synCtx); assertEquals(xml, exprValue); // Test property removal propMediatorOne.setAction(PropertyMediator.ACTION_REMOVE); propMediatorOne.mediate(synCtx); assertNull(synCtx.getProperty("nameOne")); // Setting XML properties using expressions synCtx.setProperty("nameOne", xml); PropertyMediator propertyMediatorTwo = new PropertyMediator(); propertyMediatorTwo.setName("nameTwo"); propertyMediatorTwo.setExpression(new SynapseXPath("synapse:get-property('nameOne')"), XMLConfigConstants.DATA_TYPES.OM.name()); propertyMediatorTwo.mediate(synCtx); Object exprProp = synCtx.getProperty("nameTwo"); assertTrue(exprProp != null && exprProp instanceof OMElement); } /** * property being searched does not exist in context, and lookup should go up into the config * @throws Exception */ /*TODO ACP public void testSetAndReadGlobalProperty() throws Exception { MessageContext synCtx = TestUtils.getTestContext("<empty/>"); SynapseConfiguration synCfg = new SynapseConfiguration(); Entry prop = new Entry(); prop.setKey("name"); prop.setType(Entry.VALUE_TYPE); prop.setValue("value"); synCfg.addEntry("name", prop); synCtx.setConfiguration(synCfg); assertTrue( "value".equals(Axis2MessageContext.getStringValue( new SynapseXPath("synapse:get-property('name')"), synCtx))); }*/ public void testMediatorPropertiesLiteral() throws Exception { MediatorProperty medProp = new MediatorProperty(); medProp.setName("name"); medProp.setValue("value"); assertTrue("value".equals(medProp.getValue())); } public void testMediatorPropertiesExpression() throws Exception { // set a local property to the synapse context PropertyMediator propMediator = new PropertyMediator(); propMediator.setName("name"); propMediator.setValue("value"); MessageContext synCtx = TestUtils.getTestContext("<empty/>"); propMediator.mediate(synCtx); // read property through a mediator property MediatorProperty medProp = new MediatorProperty(); medProp.setExpression(new SynapseXPath("synapse:get-property('name')")); assertTrue("value".equals(medProp.getEvaluatedExpression(synCtx))); } }