Java tutorial
/* * Copyright (c) 2005-2010, WSO2 Inc. (http://www.wso2.org) All Rights Reserved. * * WSO2 Inc. 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.wso2.carbon.dataservices.core.admin; import java.io.*; import java.net.URL; import java.net.URLConnection; import javax.activation.DataHandler; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.wso2.carbon.dataservices.common.DBConstants; import org.wso2.carbon.dataservices.core.WSDLToDataService; /** * Data Services admin service class used for file uploading. */ public class DataServiceFileUploader extends DataServiceAdmin { private static final Log log = LogFactory.getLog(DataServiceFileUploader.class); public String uploadService(String fileName, String serviceHierarchy, DataHandler dataHandler) throws Exception { try { byte[] data = this.getByteArrayFromInputStream(dataHandler.getInputStream()); String serviceContents = new String(data); String serviceName = fileName; int index = fileName.lastIndexOf("." + this.getDataServiceFileExtension()); if (index != -1) { serviceName = serviceName.substring(0, index); } this.saveDataService(serviceName, serviceHierarchy, serviceContents); } catch (Exception e) { String msg = "Error occured while uploading the service " + fileName; log.error(msg, e); throw new Exception("Failed to upload the service archive " + fileName, e); } return DBConstants.LABEL_SUCESSFULL; } public String uploadWSDL(String fileName, DataHandler dataHandler) throws Exception { WSDLToDataService.deployDataService(this.getAxisConfig(), this.getByteArrayFromInputStream(dataHandler.getInputStream())); return DBConstants.LABEL_SUCESSFULL; } public String urlWsdlUpload(String url) throws Exception { URLConnection conn = new URL(url).openConnection(); WSDLToDataService.deployDataService(this.getAxisConfig(), this.getByteArrayFromInputStream(conn.getInputStream())); return DBConstants.LABEL_SUCESSFULL; } private byte[] getByteArrayFromInputStream(InputStream in) throws Exception { ByteArrayOutputStream byteOut = new ByteArrayOutputStream(); byte[] buff = new byte[512]; int i; while ((i = in.read(buff)) > 0) { byteOut.write(buff, 0, i); } in.close(); return byteOut.toByteArray(); } }