/* * Copyright 1999-2004 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. * * $Header: /home/stefano/cvs/gump/java/Module.java,v 1.25 2004/02/27 08:31:31 bodewig Exp $ * $Revision: 1.25 $ * $Date: 2004/02/27 08:31:31 $ */ // DOM classes import org.w3c.dom.Element; import org.w3c.dom.Node; // Java classes import java.io.BufferedReader; import java.io.File; import java.io.FileReader; import java.io.FileWriter; import java.io.PrintWriter; import java.util.Enumeration; import java.util.Hashtable; import java.util.Vector; public class Module { static private Hashtable modules = new Hashtable(); private Element element; private Element cvs; private String name; private String srcdir; private Element description; private Element url; private boolean redistributable = false; private static String cvspass = System.getProperty("user.home")+"/.cvspass"; /** cvspass char conversion data */ private static final char shifts[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 114,120, 53, 79, 96,109, 72,108, 70, 64, 76, 67,116, 74, 68, 87, 111, 52, 75,119, 49, 34, 82, 81, 95, 65,112, 86,118,110,122,105, 41, 57, 83, 43, 46,102, 40, 89, 38,103, 45, 50, 42,123, 91, 35, 125, 55, 54, 66,124,126, 59, 47, 92, 71,115, 78, 88,107,106, 56, 36,121,117,104,101,100, 69, 73, 99, 63, 94, 93, 39, 37, 61, 48, 58,113, 32, 90, 44, 98, 60, 51, 33, 97, 62, 77, 84, 80, 85,223, 225,216,187,166,229,189,222,188,141,249,148,200,184,136,248,190, 199,170,181,204,138,232,218,183,255,234,220,247,213,203,226,193, 174,172,228,252,217,201,131,230,197,211,145,238,161,179,160,212, 207,221,254,173,202,146,224,151,140,196,205,130,135,133,143,246, 192,159,244,239,185,168,215,144,139,165,180,157,147,186,214,176, 227,231,219,169,175,156,206,198,129,164,150,210,154,177,134,127, 182,128,158,208,162,132,167,209,149,241,153,251,237,236,171,195, 243,233,253,240,194,250,191,155,142,137,245,235,163,242,178,152 }; /** * Create a set of Module definitions based on XML nodes. * @param moudules list of <module> elements */ public static void load(Enumeration modules) throws Exception { Vector dropThem = new Vector(); while (modules.hasMoreElements()) { Element element = (Element)modules.nextElement(); try { new Module(element); } catch (Throwable t) { dropThem.addElement(element); System.err.println("Dropping module " + element.getAttribute("name") + " because of Exception " + t); } } Enumeration enum = dropThem.elements(); while (enum.hasMoreElements()) { Element element = (Element)enum.nextElement(); element.getParentNode().removeChild(element); } cvslogin(); } /** * Find a Module given its name. * @param String module name * @return Module */ public static Module find(String name) { return (Module) modules.get(name); } /** * Constructor. * @param element <module> element */ public Module(Element element) throws Exception { this.element = element; name = element.getAttribute("name"); computeSrcDir(); promoteProjects(); resolveCvsroot(); resolveSubversionUrl(); Node child=element.getFirstChild(); for (; child != null; child=child.getNextSibling()) { if (child.getNodeName().equals("description")) { description = (Element) child; } else if (child.getNodeName().equals("url")) { url = (Element) child; } else if (child.getNodeName().equals("redistributable")) { redistributable = true; } } modules.put(name, this); } /** * Property accessor for srcdir attribute. * @return Source directory associated with this module */ public String getSrcDir() { return srcdir; } /** * Property accessor for description attribute. * @return Value of the specified attribute. */ public Element getDescription() { return description; } /** * Property accessor for url attribute. * @return Value of the specified attribute. */ public Element getUrl() { return url; } /** * Property accessor for redistributable attribute. * @return Value of the specified attribute. */ public boolean getRedistributable() { return redistributable; } /** * Append arbitrary XML data to this node. * @param child Node to be deep copied to this tree. */ public void appendChild(Node child) { element.appendChild(child.cloneNode(true)); } /** * Resolve the source directory for this module. */ private void computeSrcDir() throws Exception { srcdir=element.getAttribute("srcdir"); if (srcdir.equals("")) srcdir=name; srcdir = Workspace.getBaseDir() + "/" + srcdir; element.setAttribute("srcdir", srcdir); } /** * Set module name on any projects contained herein, and move the * element up to the workspace. */ private void promoteProjects() throws Exception { Vector projects = new Vector(); // Collect a list of projects, marking them as we go Node child=element.getFirstChild(); for (; child != null; child=child.getNextSibling()) { if (! child.getNodeName().equals("project")) continue; Element project = (Element) child; if (project.getAttributeNode("module") == null) { project.setAttribute("module", name); } projects.add(project); } // Move each project from the module to the workspace Node parent = element.getParentNode(); String definedIn = element.getAttribute("defined-in"); String prefix = element.getAttribute("extern-prefix"); for (Enumeration e=projects.elements(); e.hasMoreElements(); ) { Element project = (Element) e.nextElement(); if (project.getAttributeNode("defined-in") == null) { project.setAttribute("defined-in", definedIn); if (!prefix.equals("")) project.setAttribute("extern-prefix",prefix); } element.removeChild(project); parent.appendChild(project); } } /** * Resolves a repository name into a cvsroot. If there are multiple * cvs entries, first they are combined into a single elemnt. Then * the single resulting element (if any) will get decorated with the * the module name, cvsroot, and password info. */ private void resolveCvsroot() throws Exception { Node child=element.getFirstChild(); for (; child != null; child=child.getNextSibling()) { if (! child.getNodeName().equals("cvs")) continue; if (cvs == null) { cvs = (Element) child; } else { Jenny.moveChildren((Element) child, cvs); } } if (cvs != null) { cvs.setAttribute("srcdir", name); if (cvs.getAttributeNode("module") == null) { cvs.setAttribute("module", name); } String tag = element.getAttribute("tag"); if (!tag.equals("")) cvs.setAttribute("tag", tag); String value = cvs.getAttribute("repository"); Repository r = Repository.find(value); if (r == null) { throw new Exception( "repository \"" + value + "\" not found processing module " + name); } String cvsroot = ":" + r.get("method") + ":"; if (r.get("user").length() > 0) { cvsroot += r.get("user"); } if (r.get("hostname").length() > 0) { cvsroot += "@"; if (cvs.getAttributeNode("host-prefix") != null) { cvsroot += cvs.getAttribute("host-prefix") + "."; } cvsroot += r.get("hostname") + ":"; } cvsroot += r.get("path"); if (cvs.getAttributeNode("dir") != null) { cvsroot += "/" + cvs.getAttribute("dir"); } cvs.setAttribute("cvsroot", cvsroot); cvs.setAttribute("password", r.get("password")); if (cvs.getAttributeNode("compress") == null) { cvs.setAttribute("compress", r.get("compress")); } redistributable |= r.getRedistributable(); } } /** * Resolves repository information - and possibly the dir * attribute - for svn. */ private void resolveSubversionUrl() throws Exception { Element svn = null; Node child = element.getFirstChild(); for (; child != null; child = child.getNextSibling()) { if (!child.getNodeName().equals("svn")) continue; if (svn == null) { svn = (Element) child; } else { Jenny.moveChildren((Element) child, svn); } } if (svn != null) { svn.setAttribute("srcdir", name); String svnurl = svn.getAttribute("url"); if (svnurl == null || svnurl.equals("")) { String value = svn.getAttribute("repository"); Repository r = Repository.find(value); if (r == null) { throw new Exception("repository \"" + value + "\" not found processing module " + name); } svnurl = r.get("url"); if (svn.getAttributeNode("dir") != null) { if (!svnurl.endsWith("/")) { svnurl += "/"; } svnurl += svn.getAttribute("dir"); } svn.setAttribute("url", svnurl); } } } /** * Add entries to cvspass, as necessary, to simulate logon to * cvs repositories accessed as :pserver:. Note: the .cvspass file * will not be updated unless there are new entries to add. */ private static void cvslogin() throws Exception { Hashtable password = new Hashtable(); File file = new File(cvspass); // read existing cvsroot entries if (file.exists()) { BufferedReader reader = new BufferedReader(new FileReader(file)); for (String line = null; (line=reader.readLine())!=null; ) { int split = line.indexOf(' '); password.put(line.substring(0,split), line.substring(split+1)); } reader.close(); } // append new entries PrintWriter writer = null; for (Enumeration e=modules.elements(); e.hasMoreElements(); ) { Element cvs = ((Module) e.nextElement()).cvs; if (cvs == null) continue; String cvsroot = cvs.getAttribute("cvsroot"); if (!cvsroot.startsWith(":pserver:")) continue; if (password.get(cvsroot) == null) { if (writer == null) { writer = new PrintWriter(new FileWriter(cvspass, true)); } String data = "A" + mangle(cvs.getAttribute("password")); password.put(cvsroot, data); writer.println(cvsroot + " " + data); } } if (writer != null) writer.close(); } /** * Encode a password using the same encryption scheme that cvs uses. */ private static String mangle(String password){ char[] buf = password.toCharArray(); for(int i=0; i