tzezula@1324: /*
tzezula@1324:  * To change this license header, choose License Headers in Project Properties.
tzezula@1324:  * To change this template file, choose Tools | Templates
tzezula@1324:  * and open the template in the editor.
tzezula@1324:  */
tzezula@1324: 
tzezula@1324: package org.apidesign.bck2brwsr.dew;
tzezula@1324: 
tzezula@1324: import java.io.ByteArrayInputStream;
tzezula@1324: import java.io.ByteArrayOutputStream;
tzezula@1324: import java.io.IOException;
tzezula@1324: import java.io.InputStream;
tzezula@1324: import java.io.InputStreamReader;
tzezula@1324: import java.io.OutputStream;
tzezula@1324: import java.io.OutputStreamWriter;
tzezula@1324: import java.io.Reader;
tzezula@1324: import java.io.Writer;
tzezula@1324: 
tzezula@1324: /**
tzezula@1324:  *
tzezula@1324:  * @author Tomas Zeuzla
tzezula@1324:  */
tzezula@1324: class MemoryFileObject extends BaseFileObject {
tzezula@1324: 
tzezula@1324:     private byte[] content;
tzezula@1324:     private long lastModified;
tzezula@1324: 
tzezula@1324:     MemoryFileObject (
tzezula@1324:             String resourceName,
tzezula@1324:             Kind kind,
tzezula@1324:             byte[] content) {
tzezula@1324:         super(resourceName, kind);
tzezula@1324:         this.content = content;
tzezula@1324:         this.lastModified = this.content == null ?
tzezula@1324:             -1 :
tzezula@1324:             System.currentTimeMillis();
tzezula@1324:     }
tzezula@1324: 
tzezula@1324:     MemoryFileObject (
tzezula@1324:             String resourceName,
tzezula@1324:             byte[] content) {
tzezula@1324:         this(resourceName, getKind(resourceName) ,content);
tzezula@1324:     }
tzezula@1324: 
tzezula@1324: 
tzezula@1324:     @Override
tzezula@1324:     public InputStream openInputStream() throws IOException {
tzezula@1324:         if (content == null) {
tzezula@1324:             throw new IOException();
tzezula@1324:         } else {
tzezula@1324:             return new ByteArrayInputStream(content);
tzezula@1324:         }
tzezula@1324:     }
tzezula@1324: 
tzezula@1324:     @Override
tzezula@1324:     public OutputStream openOutputStream() throws IOException {
tzezula@1324:         return new CloseStream();
tzezula@1324:     }
tzezula@1324: 
tzezula@1324:     @Override
tzezula@1324:     public Reader openReader(boolean ignoreEncodingErrors) throws IOException {
tzezula@1324:         return new InputStreamReader(openInputStream());
tzezula@1324:     }
tzezula@1324: 
tzezula@1324:     @Override
tzezula@1324:     public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
tzezula@1324:         if (content == null) {
tzezula@1324:             throw new IOException();
tzezula@1324:         } else {
tzezula@1324:             return new String(content);
tzezula@1324:         }
tzezula@1324:     }
tzezula@1324: 
tzezula@1324:     @Override
tzezula@1324:     public Writer openWriter() throws IOException {
tzezula@1324:         return new OutputStreamWriter(openOutputStream());
tzezula@1324:     }
tzezula@1324: 
tzezula@1324:     @Override
tzezula@1324:     public long getLastModified() {
tzezula@1324:         return lastModified;
tzezula@1324:     }
tzezula@1324: 
tzezula@1324:     @Override
tzezula@1324:     public boolean delete() {
tzezula@1324:         return false;
tzezula@1324:     }
tzezula@1324: 
tzezula@1324:     byte[] getContent() {
tzezula@1324:         return content;
tzezula@1324:     }
tzezula@1324: 
tzezula@1324:     private class CloseStream extends OutputStream {
tzezula@1324: 
tzezula@1324:         private final ByteArrayOutputStream delegate;
tzezula@1324: 
tzezula@1324:         CloseStream() {
tzezula@1324:             delegate = new ByteArrayOutputStream();
tzezula@1324:         }
tzezula@1324: 
tzezula@1324:         @Override
tzezula@1324:         public void write(int b) throws IOException {
tzezula@1324:             delegate.write(b);
tzezula@1324:         }
tzezula@1324: 
tzezula@1324:         @Override
tzezula@1324:         public void write(byte[] b) throws IOException {
tzezula@1324:             delegate.write(b);
tzezula@1324:         }
tzezula@1324: 
tzezula@1324:         @Override
tzezula@1324:         public void write(byte[] b, int off, int len) throws IOException {
tzezula@1324:             delegate.write(b, off, len);
tzezula@1324:         }
tzezula@1324: 
tzezula@1324:         @Override
tzezula@1324:         public void close() throws IOException {
tzezula@1324:             delegate.close();
tzezula@1324:             content = delegate.toByteArray();
tzezula@1324:             lastModified = System.currentTimeMillis();
tzezula@1324:         }                                    
tzezula@1324: 
tzezula@1324:     }
tzezula@1324: 
tzezula@1324: }