| /* |
| * 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.felix.bundlerepository; |
| |
| import java.io.BufferedReader; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.lang.reflect.Method; |
| import java.net.URL; |
| import java.net.URLConnection; |
| import java.security.AccessController; |
| import java.security.PrivilegedActionException; |
| import java.security.PrivilegedExceptionAction; |
| import java.text.ParseException; |
| import java.text.SimpleDateFormat; |
| import java.util.Arrays; |
| import java.util.zip.ZipEntry; |
| import java.util.zip.ZipInputStream; |
| |
| import org.apache.felix.bundlerepository.metadataparser.XmlCommonHandler; |
| import org.apache.felix.bundlerepository.metadataparser.kxmlsax.KXml2SAXParser; |
| import org.osgi.service.obr.Capability; |
| import org.osgi.service.obr.Repository; |
| import org.osgi.service.obr.Requirement; |
| import org.osgi.service.obr.Resource; |
| |
| public class RepositoryImpl implements Repository |
| { |
| private String m_name = null; |
| private long m_lastmodified = 0; |
| private URL m_url = null; |
| private final Logger m_logger; |
| private Resource[] m_resources = null; |
| private Referral[] m_referrals = null; |
| private RepositoryAdminImpl m_repoAdmin = null; |
| |
| // Reusable comparator for sorting resources by name. |
| private ResourceComparator m_nameComparator = new ResourceComparator(); |
| |
| public RepositoryImpl(RepositoryAdminImpl repoAdmin, URL url, Logger logger) |
| throws Exception |
| { |
| this(repoAdmin, url, Integer.MAX_VALUE, logger); |
| } |
| |
| public RepositoryImpl(RepositoryAdminImpl repoAdmin, URL url, final int hopCount, Logger logger) |
| throws Exception |
| { |
| m_repoAdmin = repoAdmin; |
| m_url = url; |
| m_logger = logger; |
| try |
| { |
| AccessController.doPrivileged(new PrivilegedExceptionAction() |
| { |
| public Object run() throws Exception |
| { |
| parseRepositoryFile(hopCount); |
| return null; |
| } |
| }); |
| } |
| catch (PrivilegedActionException ex) |
| { |
| throw (Exception) ex.getCause(); |
| } |
| } |
| |
| public URL getURL() |
| { |
| return m_url; |
| } |
| |
| protected void setURL(URL url) |
| { |
| m_url = url; |
| } |
| |
| public Resource[] getResources() |
| { |
| return m_resources; |
| } |
| |
| public void addResource(Resource resource) |
| { |
| // Set resource's repository. |
| ((ResourceImpl) resource).setRepository(this); |
| |
| // Add to resource array. |
| if (m_resources == null) |
| { |
| m_resources = new Resource[] |
| { resource }; |
| } |
| else |
| { |
| Resource[] newResources = new Resource[m_resources.length + 1]; |
| System.arraycopy(m_resources, 0, newResources, 0, m_resources.length); |
| newResources[m_resources.length] = resource; |
| m_resources = newResources; |
| } |
| |
| Arrays.sort(m_resources, m_nameComparator); |
| } |
| |
| public Referral[] getReferrals() |
| { |
| return m_referrals; |
| } |
| |
| public void addReferral(Referral referral) throws Exception |
| { |
| // Add to resource array. |
| if (m_referrals == null) |
| { |
| m_referrals = new Referral[] |
| { referral }; |
| } |
| else |
| { |
| Referral[] newResources = new Referral[m_referrals.length + 1]; |
| System.arraycopy(m_referrals, 0, newResources, 0, m_referrals.length); |
| newResources[m_referrals.length] = referral; |
| m_referrals = newResources; |
| } |
| } |
| |
| public String getName() |
| { |
| return m_name; |
| } |
| |
| public void setName(String name) |
| { |
| m_name = name; |
| } |
| |
| public long getLastModified() |
| { |
| return m_lastmodified; |
| } |
| |
| public void setLastmodified(String s) |
| { |
| SimpleDateFormat format = new SimpleDateFormat("yyyyMMddhhmmss.SSS"); |
| try |
| { |
| m_lastmodified = format.parse(s).getTime(); |
| } |
| catch (ParseException ex) |
| { |
| } |
| } |
| |
| /** |
| * Default setter method when setting parsed data from the XML file, |
| * which currently ignores everything. |
| **/ |
| protected Object put(Object key, Object value) |
| { |
| // Ignore everything for now. |
| return null; |
| } |
| |
| private void parseRepositoryFile(int hopCount) throws Exception |
| { |
| InputStream is = null; |
| BufferedReader br = null; |
| |
| try |
| { |
| // Do it the manual way to have a chance to |
| // set request properties as proxy auth (EW). |
| URLConnection conn = m_url.openConnection(); |
| |
| // Support for http proxy authentication |
| String auth = System.getProperty("http.proxyAuth"); |
| if ((auth != null) && (auth.length() > 0)) |
| { |
| if ("http".equals(m_url.getProtocol()) || "https".equals(m_url.getProtocol())) |
| { |
| String base64 = Util.base64Encode(auth); |
| conn.setRequestProperty("Proxy-Authorization", "Basic " + base64); |
| } |
| } |
| |
| if (m_url.getPath().endsWith(".zip")) |
| { |
| ZipInputStream zin = new ZipInputStream(conn.getInputStream()); |
| ZipEntry entry = zin.getNextEntry(); |
| while (entry != null) |
| { |
| if (entry.getName().equals("repository.xml")) |
| { |
| is = zin; |
| break; |
| } |
| entry = zin.getNextEntry(); |
| } |
| } |
| else |
| { |
| is = conn.getInputStream(); |
| } |
| |
| if (is != null) |
| { |
| // Create the parser Kxml |
| XmlCommonHandler handler = new XmlCommonHandler(m_logger); |
| Object factory = new Object() |
| { |
| public RepositoryImpl newInstance() |
| { |
| return RepositoryImpl.this; |
| } |
| }; |
| |
| // Get default setter method for Repository. |
| Method repoSetter = RepositoryImpl.class.getDeclaredMethod("put", new Class[] |
| { Object.class, Object.class }); |
| |
| // Get default setter method for Resource. |
| Method resSetter = ResourceImpl.class.getDeclaredMethod("put", new Class[] |
| { Object.class, Object.class }); |
| |
| // Map XML tags to types. |
| handler.addType("repository", factory, Repository.class, repoSetter); |
| handler.addType("referral", Referral.class, null, null); |
| handler.addType("resource", ResourceImpl.class, Resource.class, resSetter); |
| handler.addType("category", CategoryImpl.class, null, null); |
| handler.addType("require", RequirementImpl.class, Requirement.class, null); |
| handler.addType("capability", CapabilityImpl.class, Capability.class, null); |
| handler.addType("p", PropertyImpl.class, null, null); |
| handler.setDefaultType(String.class, null, null); |
| |
| br = new BufferedReader(new InputStreamReader(is)); |
| KXml2SAXParser parser; |
| parser = new KXml2SAXParser(br); |
| parser.parseXML(handler); |
| |
| // resolve referrals |
| hopCount--; |
| if (hopCount > 0 && m_referrals != null) |
| { |
| for (int i = 0; i < m_referrals.length; i++) |
| { |
| Referral referral = m_referrals[i]; |
| |
| URL url = new URL(getURL(), referral.getUrl()); |
| hopCount = (referral.getDepth() > hopCount) ? hopCount : referral.getDepth(); |
| |
| m_repoAdmin.addRepository(url, hopCount); |
| } |
| } |
| } |
| else |
| { |
| // This should not happen. |
| throw new Exception("Unable to get input stream for repository."); |
| } |
| } |
| finally |
| { |
| try |
| { |
| if (is != null) |
| is.close(); |
| } |
| catch (IOException ex) |
| { |
| // Not much we can do. |
| } |
| } |
| } |
| } |