Changeset 12473

Timestamp:

2006-08-18T09:48:32+12:00 (18 years ago)

Author:

shaoqun

Message:

added methods used by the download pane

File:

• trunk/gli/src/org/greenstone/gatherer/util/Utility.java (modified) (1 diff)

trunk/gli/src/org/greenstone/gatherer/util/Utility.java

@@ -395 +395 @@
     return stripped_string_buffer.toString();
     }
+
+       /////////////////////////////kk added////////////////////////
+
+     static public StringBuffer readXMLStream(InputStream input_stream)
+    {
+    StringBuffer xml = new StringBuffer("");
+
+    try {
+        InputStreamReader isr = new InputStreamReader(input_stream, "UTF-8");
+        BufferedReader buffered_in = new BufferedReader(isr);
+        
+        String line = "";
+        boolean xml_content = false;
+        while((line = buffered_in.readLine()) != null) {
+        if(xml_content) {
+            xml.append(line);
+            xml.append("\n");
+        }
+        else if(line.trim().startsWith("<?xml")) {
+            xml_content = true;
+            xml.append(line);
+            xml.append("\n");
+        }
+        }
+        buffered_in = null;
+    }
+    catch (Exception error) {
+        System.err.println("Failed when trying to parse XML stream");
+        error.printStackTrace();
+    }
+
+    return xml;
+    }
+
+  /** Builds the cache dir by appending the user path and 'cache'.
+     * @return a File representing the path to the private file cache within the current collection.
+     */
+    public static File getCacheDir() {
+    return new File(getGLIUserFolder(), StaticStrings.CACHE_FOLDER);
+    }
+
+   /** Method which constructs the log directory given a certain collection.
+     * @param col_dir The location of the collection directory as a <strong>String</strong>.
+     * @return The location of the given collections log directory, also as a <strong>String</strong>.
+     */
+    public static String getLogDir(String col_dir) {
+    if(col_dir != null) {
+        return col_dir + LOG_DIR;
+    }
+    else {
+        return getGLIUserFolder().getAbsolutePath() + File.separator + LOG_DIR;
+    }
+    }
+
+    static final private String APPLICATION_DATA_FOLDER = "Application Data";
+    static final private String UNIX_GLI_CONFIG_FOLDER = ".gli";
+    static final private String USER_HOME_PROPERTY = "user.home";
+    static final private String WIN_GLI_CONFIG_FOLDER = "Greenstone" + File.separator + "GLI";
+     /** Definition of an important directory name, in this case the log directory for the collection. */
+    static final public String LOG_DIR = "log" + File.separator;
+
+    static public File getGLIUserFolder()
+    {
+    if (Utility.isWindows()) {
+        return new File(System.getProperty(USER_HOME_PROPERTY) + File.separator + APPLICATION_DATA_FOLDER + File.separator + WIN_GLI_CONFIG_FOLDER + File.separator);
+    }
+    else {
+        return new File(System.getProperty(USER_HOME_PROPERTY) + File.separator + UNIX_GLI_CONFIG_FOLDER + File.separator);
+    }
+    }
+
+
 }