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-rw-r--r--trunk/infrastructure/net.appjet.common/util/BetterFile.java280
1 files changed, 0 insertions, 280 deletions
diff --git a/trunk/infrastructure/net.appjet.common/util/BetterFile.java b/trunk/infrastructure/net.appjet.common/util/BetterFile.java
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--- a/trunk/infrastructure/net.appjet.common/util/BetterFile.java
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@@ -1,280 +0,0 @@
-/**
- * Copyright 2009 Google Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS-IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package net.appjet.common.util;
-
-import java.io.BufferedReader;
-import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.IOException;
-import java.io.*;
-
-
-/**
- * A bunch of stuff that should've been in the Java Standard Libraries.
- */
-public class BetterFile {
- public static String getFileContents(File f, boolean t) throws FileNotFoundException {
- FileInputStream in;
- try {
- in = new FileInputStream(f);
- } catch (FileNotFoundException e) {
- if (t) throw e;
- return null;
- }
- return getStreamContents(in);
- }
-
- public static String getFileContents(File f) {
- try {
- return getFileContents(f, false);
- } catch (FileNotFoundException e) {
- // won't ever get here.
- }
- return null;
- }
-
- public static String getBinaryFileContents(File f) {
- FileInputStream in;
- try {
- in = new FileInputStream(f);
- } catch (FileNotFoundException e) {
- e.printStackTrace();
- return null;
- }
-
- return getBinaryStreamContents(in);
- }
-
- // Using the non-converting String contructor here. Yum.
- @SuppressWarnings({"deprecation"})
- public static String getBinaryStreamContents(InputStream in) {
- StringBuilder out = new StringBuilder();
- byte[] b = new byte[4096];
- try {
- for (int n; (n = in.read(b)) != -1 ;) {
- out.append(new String(b, 0, 0, n));
- }
- } catch (IOException e) {
- e.printStackTrace();
- return null;
- }
- return out.toString();
- }
-
- public static String getStreamContents(InputStream instream) {
- InputStreamReader in = new InputStreamReader(instream, java.nio.charset.Charset.forName("UTF-8"));
- StringBuilder out = new StringBuilder();
-
- char[] b = new char[4096];
- try {
- for (int n; (n = in.read(b)) != -1; ){
- out.append(b, 0, n);
- }
- in.close();
- } catch (IOException e) {
- e.printStackTrace();
- return null;
- }
- return out.toString();
- }
-
- public static String getBinaryFileContents(String filename) {
- return getBinaryFileContents(new File(filename));
- }
-
- public static String getFileContents(String filename) {
- return getFileContents(new File(filename));
- }
-
- public static String getFileContents(String filename, boolean t) throws FileNotFoundException {
- return getFileContents(new File(filename), t);
- }
-
- public static byte[] getStreamBytes(InputStream instream) {
- byte[] b = new byte[8192];
- ByteArrayOutputStream baos = new ByteArrayOutputStream(16384);
- try {
- for (int n; (n = instream.read(b)) != -1;) {
- baos.write(b, 0, n);
- }
- instream.close();
- } catch (IOException e) {
- e.printStackTrace();
- return null;
- }
- return baos.toByteArray();
- }
-
- public static String getReaderString(BufferedReader reader) {
- StringBuffer out = new StringBuffer();
- char[] c = new char[8192];
- try {
- for (int n; (n = reader.read(c, 0, c.length)) != -1;) {
- out.append(c, 0, n);
- }
- reader.close();
- } catch (IOException e) {
- e.printStackTrace();
- return null;
- }
- return out.toString();
- }
-
- public static byte[] getFileBytes(File f) {
- try {
- return getStreamBytes(new FileInputStream(f));
- } catch (IOException e) {
- e.printStackTrace();
- return null;
- }
- }
-
- public static byte[] getFileBytes(String filename) {
- return getFileBytes(new File(filename));
- }
-
- public static String getUnicodeFile(File f) throws FileNotFoundException {
- return getReaderString(new BufferedReader(new UnicodeReader(new FileInputStream(f), null)));
- }
-
- public static String getUnicodeFile(String filename) throws FileNotFoundException {
- return getUnicodeFile(new File(filename));
- }
-
- public static String stringFromUnicode(byte[] bytes) {
- return getReaderString(new BufferedReader(new UnicodeReader(new ByteArrayInputStream(bytes), null)));
- }
-
- // Ripped from: http://koti.mbnet.fi/akini/java/unicodereader/
- /**
- version: 1.1 / 2007-01-25
- - changed BOM recognition ordering (longer boms first)
-
- Original pseudocode : Thomas Weidenfeller
- Implementation tweaked: Aki Nieminen
-
- http://www.unicode.org/unicode/faq/utf_bom.html
- BOMs:
- 00 00 FE FF = UTF-32, big-endian
- FF FE 00 00 = UTF-32, little-endian
- EF BB BF = UTF-8,
- FE FF = UTF-16, big-endian
- FF FE = UTF-16, little-endian
-
- Win2k Notepad:
- Unicode format = UTF-16LE
- ***/
-
- /**
- * Generic unicode textreader, which will use BOM mark
- * to identify the encoding to be used. If BOM is not found
- * then use a given default or system encoding.
- */
- public static class UnicodeReader extends Reader {
- PushbackInputStream internalIn;
- InputStreamReader internalIn2 = null;
- String defaultEnc;
-
- private static final int BOM_SIZE = 4;
-
- /**
- *
- * @param in inputstream to be read
- * @param defaultEnc default encoding if stream does not have
- * BOM marker. Give NULL to use system-level default.
- */
- UnicodeReader(InputStream in, String defaultEnc) {
- internalIn = new PushbackInputStream(in, BOM_SIZE);
- this.defaultEnc = defaultEnc;
- }
-
- public String getDefaultEncoding() {
- return defaultEnc;
- }
-
- /**
- * Get stream encoding or NULL if stream is uninitialized.
- * Call init() or read() method to initialize it.
- */
- public String getEncoding() {
- if (internalIn2 == null) return null;
- return internalIn2.getEncoding();
- }
-
- /**
- * Read-ahead four bytes and check for BOM marks. Extra bytes are
- * unread back to the stream, only BOM bytes are skipped.
- */
- protected void init() throws IOException {
- if (internalIn2 != null) return;
-
- String encoding;
- byte bom[] = new byte[BOM_SIZE];
- int n, unread;
- n = internalIn.read(bom, 0, bom.length);
-
- if ( (bom[0] == (byte)0x00) && (bom[1] == (byte)0x00) &&
- (bom[2] == (byte)0xFE) && (bom[3] == (byte)0xFF) ) {
- encoding = "UTF-32BE";
- unread = n - 4;
- } else if ( (bom[0] == (byte)0xFF) && (bom[1] == (byte)0xFE) &&
- (bom[2] == (byte)0x00) && (bom[3] == (byte)0x00) ) {
- encoding = "UTF-32LE";
- unread = n - 4;
- } else if ( (bom[0] == (byte)0xEF) && (bom[1] == (byte)0xBB) &&
- (bom[2] == (byte)0xBF) ) {
- encoding = "UTF-8";
- unread = n - 3;
- } else if ( (bom[0] == (byte)0xFE) && (bom[1] == (byte)0xFF) ) {
- encoding = "UTF-16BE";
- unread = n - 2;
- } else if ( (bom[0] == (byte)0xFF) && (bom[1] == (byte)0xFE) ) {
- encoding = "UTF-16LE";
- unread = n - 2;
- } else {
- // Unicode BOM mark not found, unread all bytes
- encoding = defaultEnc;
- unread = n;
- }
- //System.out.println("read=" + n + ", unread=" + unread);
-
- if (unread > 0) internalIn.unread(bom, (n - unread), unread);
-
- // Use given encoding
- if (encoding == null) {
- internalIn2 = new InputStreamReader(internalIn);
- } else {
- internalIn2 = new InputStreamReader(internalIn, encoding);
- }
- }
-
- public void close() throws IOException {
- init();
- internalIn2.close();
- }
-
- public int read(char[] cbuf, int off, int len) throws IOException {
- init();
- return internalIn2.read(cbuf, off, len);
- }
-
- }
-}