| /* |
| * 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 |
| * |
| * https://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.ivy.plugins.repository.url; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.MalformedURLException; |
| import java.net.URISyntaxException; |
| import java.net.URL; |
| |
| import org.apache.ivy.core.settings.TimeoutConstraint; |
| import org.apache.ivy.plugins.repository.LocalizableResource; |
| import org.apache.ivy.plugins.repository.Resource; |
| import org.apache.ivy.util.url.TimeoutConstrainedURLHandler; |
| import org.apache.ivy.util.url.URLHandler; |
| import org.apache.ivy.util.url.URLHandler.URLInfo; |
| import org.apache.ivy.util.url.URLHandlerRegistry; |
| |
| public class URLResource implements LocalizableResource { |
| private final URL url; |
| |
| private final TimeoutConstraint timeoutConstraint; |
| |
| private boolean init = false; |
| |
| private long lastModified; |
| |
| private long contentLength; |
| |
| private boolean exists; |
| |
| public URLResource(final URL url) { |
| this(url, null); |
| } |
| |
| public URLResource(final URL url, final TimeoutConstraint timeoutConstraint) { |
| this.url = url; |
| this.timeoutConstraint = timeoutConstraint; |
| } |
| |
| public String getName() { |
| return url.toExternalForm(); |
| } |
| |
| public Resource clone(String cloneName) { |
| try { |
| return new URLResource(new URL(cloneName)); |
| } catch (MalformedURLException e) { |
| throw new IllegalArgumentException( |
| "bad clone name provided: not suitable for an URLResource: " + cloneName); |
| } |
| } |
| |
| public long getLastModified() { |
| if (!init) { |
| init(); |
| } |
| return lastModified; |
| } |
| |
| @SuppressWarnings("deprecation") |
| private void init() { |
| final URLHandler handler = URLHandlerRegistry.getDefault(); |
| final URLInfo info; |
| if (handler instanceof TimeoutConstrainedURLHandler) { |
| info = ((TimeoutConstrainedURLHandler) handler).getURLInfo(this.url, this.timeoutConstraint); |
| } else { |
| info = handler.getURLInfo(this.url); |
| } |
| contentLength = info.getContentLength(); |
| lastModified = info.getLastModified(); |
| exists = info.isReachable(); |
| init = true; |
| } |
| |
| public long getContentLength() { |
| if (!init) { |
| init(); |
| } |
| return contentLength; |
| } |
| |
| public boolean exists() { |
| if (!init) { |
| init(); |
| } |
| return exists; |
| } |
| |
| public URL getURL() { |
| return url; |
| } |
| |
| public String toString() { |
| return getName(); |
| } |
| |
| public boolean isLocal() { |
| return url.getProtocol().equals("file"); |
| } |
| |
| @SuppressWarnings("deprecation") |
| public InputStream openStream() throws IOException { |
| final URLHandler handler = URLHandlerRegistry.getDefault(); |
| if (handler instanceof TimeoutConstrainedURLHandler) { |
| return ((TimeoutConstrainedURLHandler) handler).openStream(this.url, this.timeoutConstraint); |
| } |
| return handler.openStream(this.url); |
| } |
| |
| public File getFile() { |
| if (!isLocal()) { |
| throw new IllegalStateException("Cannot get the local file for the not local resource " |
| + url); |
| } |
| try { |
| return new File(url.toURI()); |
| } catch (URISyntaxException e) { |
| return new File(url.getPath()); |
| } |
| } |
| } |