Examples of com.caucho.vfs.MergePath

com.caucho.vfs.MergePath
A merging of several Paths used like a CLASSPATH. When the MergePath is opened for read, the first path in the list which contains the file will be the opened file. When the MergePath is opened for write, the first path in the list is used for the write.
In the following example, "first" has priority over "second". If test.xml exists in both "first" and "second", the open will return "first/test.xml".
```
 MergePage merge = new MergePath(); merge.addMergePath(Vfs.lookup("first"); merge.addMergePath(Vfs.lookup("second"); Path path = merge.lookup("test.xml"); ReadStream is = path.openRead(); 
```
MergePath corresponds to the "merge:" Vfs schema
```
 Path path = Vfs.lookup("merge:(../custom-foo;foo)"); 
```
@since Resin 1.2 @since Resin 3.0.10 merge: schema

            gsBucket, true);
        setPwd(mergePwd);


        Path webInfDir = getWebInfDir();
        Path gsWebInfDir = mergePwd.getGooglePath().lookup("WEB-INF");
        MergePath mergeWebInf = new MergePath(gsWebInfDir, webInfDir);


        setWebInfDir(mergeWebInf);
      }
    }

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  }
  
  public void init(FilterConfig config)
    throws ServletException
  {
    _stylePath = new MergePath();
    _stylePath.addMergePath(Vfs.lookup());
    DynamicClassLoader loader;
    loader = (DynamicClassLoader) Thread.currentThread().getContextClassLoader();
    String resourcePath = loader.getResourcePathSpecificFirst();
    _stylePath.addClassPath(resourcePath);

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    _ejbContainer = EjbContainer.create();
    // _amberContainer = AmberContainer.create();
    
    _urlPrefix = _localURL.get();


    _mergePath = new MergePath();
    _mergePath.addMergePath(Vfs.lookup());
    _mergePath.addClassPath();
  }

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      System.err.println("multiple sources require a destination directory");
      System.exit(1);
    }


    try {
      MergePath stylePath = new MergePath();
      stylePath.addMergePath(Vfs.lookup(xslName).getParent());
      stylePath.addMergePath(Vfs.lookup());
      stylePath.addMergePath(CauchoSystem.getResinHome().lookup("xsl"));


      ClassLoader loader = Thread.currentThread().getContextClassLoader();


      if (loader instanceof DynamicClassLoader) {
  DynamicClassLoader dynLoader
    = (DynamicClassLoader) loader;
  String resourcePath = dynLoader.getResourcePathSpecificFirst();
  stylePath.addClassPath(resourcePath);
      }


      // stylePath.addClassPath(


      /*
        Path []stylePath = new Path[] {
        Pwd.lookup(xslName).getParent(),
        Pwd.lookup(),
        CauchoSystem.getResinHome().lookup("xsl")};
      */
      Path []scriptPath = new Path[] {
        Vfs.lookup(),
        Vfs.lookup(xslName).getParent(),
        CauchoSystem.getResinHome().lookup("scripts")
      };


      Path xslPath = stylePath.lookup(xslName);
      if (xslPath == null) {
        System.out.println("can't find `" + xslName + "'");
        System.exit(1);
      }

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    pwd = pwd.getParent();


    DynamicClassLoader loader;
    loader = (DynamicClassLoader) webApp.getClassLoader();
    
    MergePath stylePath = new MergePath();
    stylePath.addMergePath(pwd);
    stylePath.addMergePath(appDir);


    String resourcePath = loader.getResourcePathSpecificFirst();
    stylePath.addClassPath(resourcePath);
    
    Path hrefPath = stylePath.lookup(href);


    if (hrefPath.canRead()) {
      DynamicClassLoader owningLoader = getStylesheetLoader(href, hrefPath);


      if (owningLoader != null) {
  loader = owningLoader;
  
  stylePath = new MergePath();
  stylePath.addMergePath(pwd);
  stylePath.addMergePath(appDir);
  resourcePath = loader.getResourcePathSpecificFirst();
  stylePath.addClassPath(resourcePath);
      }
    }


    Thread thread = Thread.currentThread();
    ClassLoader oldLoader = thread.getContextClassLoader();

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      if (! (loader instanceof DynamicClassLoader))
  continue;


      DynamicClassLoader dynLoader = (DynamicClassLoader) loader;
      
      MergePath mp = new MergePath();
      String resourcePath = dynLoader.getResourcePathSpecificFirst();
      mp.addClassPath(resourcePath);


      Path loaderPath = mp.lookup(href);


      if (loaderPath.getNativePath().equals(sourcePath.getNativePath()))
  owningLoader = dynLoader;
    }

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   * Parses the AFM
   */
  public Font parse(String name)
    throws IOException
  {
    MergePath mergePath = new MergePath();
    mergePath.addClassPath();


    Path path = mergePath.lookup("com/caucho/quercus/lib/pdf/font/" + name + ".afm");


    if (! path.canRead())
      throw new FileNotFoundException(L.l("Can't find font {0}", name));


    _is = path.openRead();

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   */
  private Wrapper(Global resin, Class cl)
  {
    name = cl.getName().replace('/', '.');


    MergePath mergePath = new MergePath();
    mergePath.addClassPath(cl.getClassLoader());
    Path destClass = mergePath.lookup(name.replace('.', '/') + ".class");


    // technically, need to resort to dynamic.  This is a cheat.
    if (! destClass.exists() && cl.getInterfaces().length > 0) {
      cl = cl.getInterfaces()[0];
      name = cl.getName().replace('/', '.');

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  /**
   * Returns the default merge path
   */
  public static Path getDefaultSearchPath()
  {
    MergePath mergePath = new MergePath();
    
    mergePath.addMergePath(Vfs.lookup());
    mergePath.addClassPath();


    return mergePath;
  }

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        className = this.className;
      else
        className = "_js." + JavaCompiler.mangleName(name);
      
      if (scriptPath == null) {
        MergePath mergePath = new MergePath();
        mergePath.addMergePath(Vfs.lookup());
        ClassLoader parentLoader = this.parentLoader;
        if (parentLoader == null)
          parentLoader = Thread.currentThread().getContextClassLoader();
      
        mergePath.addClassPath(parentLoader);
        scriptPath = mergePath;
      }
      
      Script script = loadScript(className);

View Full Code Here

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