diff options
Diffstat (limited to 'bundles/org.eclipse.wst.dtd.core/src/org/eclipse/wst/dtd/core/internal/encoding/ByteReader.java')
-rw-r--r-- | bundles/org.eclipse.wst.dtd.core/src/org/eclipse/wst/dtd/core/internal/encoding/ByteReader.java | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/bundles/org.eclipse.wst.dtd.core/src/org/eclipse/wst/dtd/core/internal/encoding/ByteReader.java b/bundles/org.eclipse.wst.dtd.core/src/org/eclipse/wst/dtd/core/internal/encoding/ByteReader.java deleted file mode 100644 index 1550a62340..0000000000 --- a/bundles/org.eclipse.wst.dtd.core/src/org/eclipse/wst/dtd/core/internal/encoding/ByteReader.java +++ /dev/null @@ -1,109 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2004 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - * Jens Lukowski/Innoopract - initial renaming/restructuring - * - *******************************************************************************/ -package org.eclipse.wst.dtd.core.internal.encoding; - -import java.io.IOException; -import java.io.InputStream; -import java.io.Reader; - -import org.eclipse.wst.sse.core.internal.encoding.CodedIO; - -/** - * This is an "adapter" class, simply to get in input stream to act like a - * reader. We could not use InputStreamReader directly because its internal - * buffers are not controllable, and it sometimes pulls too much out of input - * stream (even when it wasn't needed for our purposes). - * - * The use of this class is highly specialized and by not means meant to be - * general purpose. Its use is restricted to those cases where the input - * stream can be regarded as ascii just long enough to determine what the real - * encoding should be. - */ - -public class ByteReader extends Reader { - - - public static final int DEFAULT_BUFFER_SIZE = CodedIO.MAX_BUF_SIZE; - - protected byte[] fBuffer; - - protected InputStream fInputStream; - - protected ByteReader() { - super(); - } - - public ByteReader(InputStream inputStream) { - this(inputStream, DEFAULT_BUFFER_SIZE); - if (!inputStream.markSupported()) { - throw new IllegalArgumentException("ByteReader is required to have a resettable stream"); //$NON-NLS-1$ - } - } - - public ByteReader(InputStream inputStream, int size) { - this.fInputStream = inputStream; - if (!inputStream.markSupported()) { - throw new IllegalArgumentException("ByteReader is required to have a resettable stream"); //$NON-NLS-1$ - } - this.fBuffer = new byte[size]; - - } - - public void close() throws IOException { - this.fInputStream.close(); - } - - public void mark(int readAheadLimit) { - this.fInputStream.mark(readAheadLimit); - } - - public boolean markSupported() { - return true; - } - - public int read() throws IOException { - int b0 = this.fInputStream.read(); - return (b0 & 0x00FF); - } - - public int read(char ch[], int offset, int length) throws IOException { - if (length > this.fBuffer.length) { - length = this.fBuffer.length; - } - - int count = this.fInputStream.read(this.fBuffer, 0, length); - - for (int i = 0; i < count; i++) { - int b0 = this.fBuffer[i]; - // the 0x00FF is to "lose" the negative bits filled in the byte to - // int conversion - // (and which would be there if cast directly from byte to char). - char c0 = (char) (b0 & 0x00FF); - ch[offset + i] = c0; - } - return count; - } - - public boolean ready() throws IOException { - return this.fInputStream.available() > 0; - } - - public void reset() throws IOException { - this.fInputStream.reset(); - } - - public long skip(long n) throws IOException { - return this.fInputStream.skip(n); - } - -} |