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1: /* FileCacheImageOutputStream.java -- 2: Copyright (C) 2004 Free Software Foundation, Inc. 3: 4: This file is part of GNU Classpath. 5: 6: GNU Classpath is free software; you can redistribute it and/or modify 7: it under the terms of the GNU General Public License as published by 8: the Free Software Foundation; either version 2, or (at your option) 9: any later version. 10: 11: GNU Classpath is distributed in the hope that it will be useful, but 12: WITHOUT ANY WARRANTY; without even the implied warranty of 13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14: General Public License for more details. 15: 16: You should have received a copy of the GNU General Public License 17: along with GNU Classpath; see the file COPYING. If not, write to the 18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 19: 02110-1301 USA. 20: 21: Linking this library statically or dynamically with other modules is 22: making a combined work based on this library. Thus, the terms and 23: conditions of the GNU General Public License cover the whole 24: combination. 25: 26: As a special exception, the copyright holders of this library give you 27: permission to link this library with independent modules to produce an 28: executable, regardless of the license terms of these independent 29: modules, and to copy and distribute the resulting executable under 30: terms of your choice, provided that you also meet, for each linked 31: independent module, the terms and conditions of the license of that 32: module. An independent module is a module which is not derived from 33: or based on this library. If you modify this library, you may extend 34: this exception to your version of the library, but you are not 35: obligated to do so. If you do not wish to do so, delete this 36: exception statement from your version. */ 37: 38: 39: package javax.imageio.stream; 40: 41: import gnu.classpath.NotImplementedException; 42: 43: import java.io.File; 44: import java.io.IOException; 45: import java.io.OutputStream; 46: 47: /** 48: * @author Michael Koch (konqueror@gmx.de) 49: */ 50: public class FileCacheImageOutputStream extends ImageOutputStreamImpl 51: { 52: private OutputStream stream; 53: private File cacheDir; 54: 55: public FileCacheImageOutputStream(OutputStream stream, File cacheDir) 56: throws IOException 57: { 58: super(); 59: this.stream = stream; 60: // FIXME: We do not support caching yet. 61: this.cacheDir = cacheDir; 62: } 63: 64: public void close() 65: throws IOException 66: { 67: if (stream != null) 68: { 69: stream.close(); 70: stream = null; 71: } 72: } 73: 74: private void checkStreamClosed() 75: throws IOException 76: { 77: if (stream == null) 78: throw new IOException("stream closed"); 79: } 80: 81: public boolean isCached() 82: { 83: return true; 84: } 85: 86: public boolean isCachedFile() 87: { 88: return true; 89: } 90: 91: public boolean isCachedMemory() 92: { 93: return false; 94: } 95: 96: public int read() 97: throws IOException, NotImplementedException 98: { 99: // FIXME: Implement me. 100: throw new Error("not implemented"); 101: } 102: 103: public int read(byte[] data, int offset, int len) 104: throws IOException, NotImplementedException 105: { 106: // FIXME: Implement me. 107: throw new Error("not implemented"); 108: } 109: 110: public void write(byte[] data, int offset, int len) 111: throws IOException 112: { 113: checkStreamClosed(); 114: // FIXME: Flush pending bits. 115: stream.write(data, offset, len); 116: } 117: 118: public void write(int value) 119: throws IOException 120: { 121: checkStreamClosed(); 122: // FIXME: Flush pending bits. 123: stream.write(value); 124: } 125: }