Java tutorial
/* * 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.wso2.carbon.ui; import org.apache.axis2.context.ConfigurationContext; import org.apache.axis2.description.Parameter; import org.apache.axis2.description.TransportInDescription; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.osgi.framework.BundleContext; import org.wso2.carbon.ui.internal.CarbonUIServiceComponent; import org.wso2.carbon.utils.CarbonUtils; import org.wso2.carbon.utils.ServerConstants; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStream; import java.net.URL; import java.net.URLConnection; /** * */ public class CarbonConnection extends URLConnection { private static final Log log = LogFactory.getLog(CarbonConnection.class); private byte[] buf = null; /** * Constructs a URL connection to the specified URL. A connection to * the object referenced by the URL is not created. * * @param url the specified URL. * @param context BundleContext */ protected CarbonConnection(URL url, BundleContext context) throws Exception { super(url); ConfigurationContext configContext; configContext = CarbonUIServiceComponent.getConfigurationContextService().getServerConfigContext(); TransportInDescription httpsInDescription = configContext.getAxisConfiguration() .getTransportIn(ServerConstants.HTTPS_TRANSPORT); Parameter proxyParameter = httpsInDescription.getParameter("proxyPort"); String httpsProxyPort = null; if (proxyParameter != null && !"-1".equals(proxyParameter.getValue())) { httpsProxyPort = (String) proxyParameter.getValue(); } TransportInDescription httpInDescription = configContext.getAxisConfiguration() .getTransportIn(ServerConstants.HTTP_TRANSPORT); if (httpInDescription != null) { proxyParameter = httpInDescription.getParameter("proxyPort"); } String httpProxyPort = null; if (proxyParameter != null && !"-1".equals(proxyParameter.getValue())) { httpProxyPort = (String) proxyParameter.getValue(); } try { String servicePath = configContext.getServicePath(); String contextRoot = configContext.getContextRoot(); contextRoot = contextRoot.equals("/") ? "" : contextRoot; String httpsPort; if (httpsProxyPort != null) { httpsPort = httpsProxyPort; } else { httpsPort = CarbonUtils.getTransportPort(CarbonUIServiceComponent.getConfigurationContextService(), "https") + ""; } String httpPort; if (httpProxyPort != null) { httpPort = httpProxyPort; } else { if (httpInDescription != null) { httpPort = CarbonUtils.getTransportPort( CarbonUIServiceComponent.getConfigurationContextService(), "http") + ""; } else { httpPort = "-1"; } } buf = ("var SERVICE_PATH=\"" + servicePath + "\";\n" + "var ROOT_CONTEXT=\"" + contextRoot + "\";\n" + "var HTTP_PORT=" + httpPort + ";\n" + "var HTTPS_PORT=" + httpsPort + ";\n").getBytes(); } catch (Exception e) { String msg = "Error occurred while getting connection properties"; log.error(msg, e); } } public void connect() throws IOException { //Ignore; no need to have this } public InputStream getInputStream() throws IOException { // String s = getURL().getPath(); return new ByteArrayInputStream(buf); } public String getContentType() { return "text/javascript"; } public int getContentLength() { return buf.length; } }