| /******************************************************************************* |
| * 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.ofbiz.base.location; |
| |
| import java.io.File; |
| import java.net.MalformedURLException; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.net.URL; |
| |
| import org.ofbiz.base.component.ComponentConfig; |
| import org.ofbiz.base.component.ComponentException; |
| import org.ofbiz.base.util.Debug; |
| |
| /** |
| * A special location resolver that uses Strings like URLs, but with more options |
| * |
| */ |
| |
| public class ComponentLocationResolver implements LocationResolver { |
| |
| public static final String module = ComponentLocationResolver.class.getName(); |
| |
| public URL resolveLocation(String location) throws MalformedURLException { |
| String baseLocation = getBaseLocation(location).toString(); |
| if (File.separatorChar != '/') { |
| baseLocation = baseLocation.replace(File.separatorChar, '/'); |
| } |
| if (!baseLocation.startsWith("/")) { |
| baseLocation = "/".concat(baseLocation); |
| } |
| try { |
| return new URI("file", null, baseLocation, null).toURL(); |
| } catch (URISyntaxException e) { |
| throw new MalformedURLException(e.getMessage()); |
| } |
| } |
| |
| public static StringBuilder getBaseLocation(String location) throws MalformedURLException { |
| StringBuilder baseLocation = new StringBuilder(FlexibleLocation.stripLocationType(location)); |
| // componentName is between the first slash and the second |
| int firstSlash = baseLocation.indexOf("/"); |
| int secondSlash = baseLocation.indexOf("/", firstSlash + 1); |
| if (firstSlash != 0 || secondSlash == -1) { |
| throw new MalformedURLException("Bad component location [" + location + "]: base location missing slashes [" + baseLocation + "], first = " + firstSlash + ", second = " + secondSlash + "; should be like: component://{component-name}/relative/path"); |
| } |
| String componentName = baseLocation.substring(firstSlash + 1, secondSlash); |
| // got the componentName, now remove it from the baseLocation, removing the second slash too (just in case the rootLocation has one) |
| baseLocation.delete(0, secondSlash + 1); |
| try { |
| String rootLocation = ComponentConfig.getRootLocation(componentName); |
| // if there is not a forward slash between the two, add it |
| if (baseLocation.charAt(0) != '/' && rootLocation.charAt(rootLocation.length() - 1) != '/') { |
| baseLocation.insert(0, '/'); |
| } |
| // insert the root location and we're done |
| baseLocation.insert(0, rootLocation); |
| return baseLocation; |
| } catch (ComponentException e) { |
| String errMsg = "Could not get root location for component with name [" + componentName + "], error was: " + e.toString(); |
| Debug.logError(e, errMsg, module); |
| throw new MalformedURLException(errMsg); |
| } |
| } |
| } |