001    /*
002     * Copyright (C) 2012 eXo Platform SAS.
003     *
004     * This is free software; you can redistribute it and/or modify it
005     * under the terms of the GNU Lesser General Public License as
006     * published by the Free Software Foundation; either version 2.1 of
007     * the License, or (at your option) any later version.
008     *
009     * This software is distributed in the hope that it will be useful,
010     * but WITHOUT ANY WARRANTY; without even the implied warranty of
011     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012     * Lesser General Public License for more details.
013     *
014     * You should have received a copy of the GNU Lesser General Public
015     * License along with this software; if not, write to the Free
016     * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
017     * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
018     */
019    package org.crsh.lang.java;
020    
021    import javax.tools.SimpleJavaFileObject;
022    import java.io.ByteArrayOutputStream;
023    import java.io.IOException;
024    import java.io.OutputStream;
025    import java.net.URI;
026    import java.net.URISyntaxException;
027    
028    /** @author Julien Viet */
029    class JavaClassFileObject extends SimpleJavaFileObject {
030    
031      /** . */
032      private ByteArrayOutputStream baos;
033    
034      /** . */
035      private final String className;
036    
037      JavaClassFileObject(String className) throws URISyntaxException {
038        super(new URI("whatever", null, '/' + className.replace('.', '/') + ".class", null), Kind.CLASS);
039    
040        //
041        this.className = className;
042      }
043    
044      String getClassName() {
045        return className;
046      }
047    
048      public byte[] getBytes() {
049        return baos != null ? baos.toByteArray() : null;
050      }
051    
052      @Override
053      public OutputStream openOutputStream() throws IOException {
054        if (baos != null) {
055          throw new IOException("Already open");
056        } else {
057          return baos = new ByteArrayOutputStream();
058        }
059      }
060    }