| /* |
| * 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.axis2.dataretrieval; |
| |
| import org.apache.axiom.om.OMElement; |
| import org.apache.axis2.context.MessageContext; |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| import java.util.ArrayList; |
| |
| /** |
| * BaseAxisDataLocator implements common code and serves as a base class |
| * for the supported default Axis2 dialect data locators. |
| */ |
| |
| public abstract class BaseAxisDataLocator { |
| private static final Log log = LogFactory.getLog(BaseAxisDataLocator.class); |
| |
| protected ServiceData[] dataList = null; |
| private OutputForm outputform = OutputForm.INLINE_FORM; |
| |
| /** |
| * The default Axis2 Data locator getData API |
| * Checks data information configured in ServiceData.xml for the supported |
| * output forms: inline, url, EndpointReference. |
| * <p/> |
| * Note: Subclass that has its implementation of outInlineForm, outputLocationForm, |
| * and outputReferenceForm logic must implement the getData API. |
| */ |
| |
| public Data[] getData(DataRetrievalRequest request, |
| MessageContext msgContext) throws DataRetrievalException { |
| log.trace("Default Base DataLocator getData starts"); |
| |
| OutputForm outputform = (OutputForm) request.getOutputForm(); |
| |
| if (outputform == null) { // not defined, defualt to inline |
| outputform = OutputForm.INLINE_FORM; |
| } |
| |
| Data[] output = null; |
| |
| String outputFormString = outputform.getType(); |
| |
| if (outputform == OutputForm.INLINE_FORM) { |
| output = outputInlineForm(msgContext, dataList); |
| } else if (outputform == OutputForm.LOCATION_FORM) { |
| output = outputLocationForm(dataList); |
| |
| } else if (outputform == OutputForm.REFERENCE_FORM) { |
| output = outputReferenceForm(msgContext, dataList); |
| |
| } else { |
| output = outputInlineForm(msgContext, dataList); |
| |
| } |
| |
| if (output == null) { |
| log.info( |
| "Null data return! Data Locator does not know how to handle request for dialect= " + |
| (String) request.getDialect() |
| + " in the form of " + outputFormString); |
| } |
| |
| |
| log.trace("Default Base DataLocator getData ends"); |
| |
| return output; |
| } |
| |
| /* |
| * WSDL or a policy document |
| */ |
| protected Data[] outputInlineForm(MessageContext msgContext, |
| ServiceData[] serviceData) throws DataRetrievalException { |
| assert(msgContext != null); |
| if (serviceData == null || serviceData.length == 0) { |
| return new Data[0]; |
| } |
| |
| final ArrayList<Data> result = new ArrayList<Data>(); |
| for(final ServiceData sd: serviceData) { |
| final OMElement metaElement |
| = sd.getFileContent(msgContext.getAxisService().getClassLoader()); |
| if (metaElement != null) { |
| result.add(new Data(metaElement, sd.getIdentifier())); |
| } |
| } |
| return (Data[]) result.toArray(new Data[result.size()]); |
| } |
| |
| |
| protected Data[] outputLocationForm(ServiceData[] serviceData) |
| throws DataRetrievalException { |
| if(serviceData == null || serviceData.length == 0) { |
| return new Data[0]; |
| } |
| |
| final ArrayList<Data> result = new ArrayList<Data>(); |
| for (final ServiceData sd: serviceData) { |
| final String urlValue = sd.getURL(); |
| if (urlValue != null) { |
| result.add(new Data(urlValue, sd.getIdentifier())); |
| } |
| } |
| return result.toArray(new Data[result.size()]); |
| } |
| |
| |
| protected Data[] outputReferenceForm(MessageContext msgContext, |
| ServiceData[] serviceData) throws DataRetrievalException { |
| if(serviceData == null || serviceData.length == 0) { |
| return new Data[0]; |
| } |
| |
| final ArrayList<Data> result = new ArrayList<Data>(); |
| for (final ServiceData sd: serviceData) { |
| final OMElement epr = sd.getEndpointReference(); |
| if (epr != null) { |
| result.add(new Data(epr, sd.getIdentifier())); |
| } |
| } |
| return result.toArray(new Data[result.size()]); |
| } |
| |
| |
| protected void setServiceData(ServiceData[] inServiceData) { |
| this.dataList = inServiceData; |
| } |
| |
| |
| protected OutputForm getOutputForm() { |
| return outputform; |
| } |
| |
| } |