001: /*
002: The contents of this file are subject to the Common Public Attribution License
003: Version 1.0 (the "License"); you may not use this file except in compliance with
004: the License. You may obtain a copy of the License at
005: http://www.projity.com/license . The License is based on the Mozilla Public
006: License Version 1.1 but Sections 14 and 15 have been added to cover use of
007: software over a computer network and provide for limited attribution for the
008: Original Developer. In addition, Exhibit A has been modified to be consistent
009: with Exhibit B.
010:
011: Software distributed under the License is distributed on an "AS IS" basis,
012: WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
013: specific language governing rights and limitations under the License. The
014: Original Code is OpenProj. The Original Developer is the Initial Developer and
015: is Projity, Inc. All portions of the code written by Projity are Copyright (c)
016: 2006, 2007. All Rights Reserved. Contributors Projity, Inc.
017:
018: Alternatively, the contents of this file may be used under the terms of the
019: Projity End-User License Agreeement (the Projity License), in which case the
020: provisions of the Projity License are applicable instead of those above. If you
021: wish to allow use of your version of this file only under the terms of the
022: Projity License and not to allow others to use your version of this file under
023: the CPAL, indicate your decision by deleting the provisions above and replace
024: them with the notice and other provisions required by the Projity License. If
025: you do not delete the provisions above, a recipient may use your version of this
026: file under either the CPAL or the Projity License.
027:
028: [NOTE: The text of this license may differ slightly from the text of the notices
029: in Exhibits A and B of the license at http://www.projity.com/license. You should
030: use the latest text at http://www.projity.com/license for your modifications.
031: You may not remove this license text from the source files.]
032:
033: Attribution Information: Attribution Copyright Notice: Copyright � 2006, 2007
034: Projity, Inc. Attribution Phrase (not exceeding 10 words): Powered by OpenProj,
035: an open source solution from Projity. Attribution URL: http://www.projity.com
036: Graphic Image as provided in the Covered Code as file: openproj_logo.png with
037: alternatives listed on http://www.projity.com/logo
038:
039: Display of Attribution Information is required in Larger Works which are defined
040: in the CPAL as a work which combines Covered Code or portions thereof with code
041: not governed by the terms of the CPAL. However, in addition to the other notice
042: obligations, all copies of the Covered Code in Executable and Source Code form
043: distributed must, as a form of attribution of the original author, include on
044: each user interface screen the "OpenProj" logo visible to all users. The
045: OpenProj logo should be located horizontally aligned with the menu bar and left
046: justified on the top left of the screen adjacent to the File menu. The logo
047: must be at least 100 x 25 pixels. When users click on the "OpenProj" logo it
048: must direct them back to http://www.projity.com.
049: */
050:
051: package com.projity.strings;
052:
053: import java.io.DataInputStream;
054: import java.io.File;
055: import java.io.FileInputStream;
056: import java.io.InputStream;
057:
058: import com.projity.preference.ConfigurationFile;
059:
060: public class DirectoryClassLoader extends ClassLoader {
061: protected File directory;
062:
063: public DirectoryClassLoader() {
064: directory = ConfigurationFile.getConfDir();
065: }
066:
067: public DirectoryClassLoader(File directory) {
068: this .directory = directory;
069: if (directory != null) {
070: if (!directory.isDirectory())
071: directory = null;
072: }
073: }
074:
075: public boolean isValid() {
076: return directory != null;
077: }
078:
079: protected Class findClass(String name)
080: throws ClassNotFoundException {
081: if (directory == null)
082: throw new ClassNotFoundException(name);
083: try {
084: File file = new File(directory, name);
085: DataInputStream in = new DataInputStream(
086: new FileInputStream(file));
087: byte b[] = new byte[(int) file.length()];
088: in.readFully(b);
089: in.close();
090: return defineClass(name, b, 0, b.length);
091: } catch (Exception e) {
092: throw new ClassNotFoundException(name);
093: }
094:
095: }
096:
097: public InputStream getResourceAsStream(String name) { //used by resourceBundle
098: if (directory == null)
099: return null;
100: try {
101: File file = new File(directory, name);
102: DataInputStream in = new DataInputStream(
103: new FileInputStream(file));
104: return in;
105: } catch (Exception e) {
106: return null;
107: }
108: }
109: }
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