summaryrefslogtreecommitdiffstats
path: root/mobile/android/thirdparty/org/mozilla/apache/commons/codec/binary/StringUtils.java
diff options
context:
space:
mode:
Diffstat (limited to 'mobile/android/thirdparty/org/mozilla/apache/commons/codec/binary/StringUtils.java')
-rw-r--r--mobile/android/thirdparty/org/mozilla/apache/commons/codec/binary/StringUtils.java287
1 files changed, 287 insertions, 0 deletions
diff --git a/mobile/android/thirdparty/org/mozilla/apache/commons/codec/binary/StringUtils.java b/mobile/android/thirdparty/org/mozilla/apache/commons/codec/binary/StringUtils.java
new file mode 100644
index 000000000..7bf960124
--- /dev/null
+++ b/mobile/android/thirdparty/org/mozilla/apache/commons/codec/binary/StringUtils.java
@@ -0,0 +1,287 @@
+// Mozilla has modified this file - see http://hg.mozilla.org/ for details.
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.mozilla.apache.commons.codec.binary;
+
+import java.io.UnsupportedEncodingException;
+
+import org.mozilla.apache.commons.codec.CharEncoding;
+
+/**
+ * Converts String to and from bytes using the encodings required by the Java specification. These encodings are specified in <a
+ * href="http://java.sun.com/j2se/1.4.2/docs/api/java/nio/charset/Charset.html">Standard charsets</a>
+ *
+ * @see CharEncoding
+ * @see <a href="http://java.sun.com/j2se/1.4.2/docs/api/java/nio/charset/Charset.html">Standard charsets</a>
+ * @author <a href="mailto:ggregory@seagullsw.com">Gary Gregory</a>
+ * @version $Id: StringUtils.java 950460 2010-06-02 09:43:02Z sebb $
+ * @since 1.4
+ */
+public class StringUtils {
+
+ /**
+ * Encodes the given string into a sequence of bytes using the ISO-8859-1 charset, storing the result into a new
+ * byte array.
+ *
+ * @param string
+ * the String to encode, may be <code>null</code>
+ * @return encoded bytes, or <code>null</code> if the input string was <code>null</code>
+ * @throws IllegalStateException
+ * Thrown when the charset is missing, which should be never according the the Java specification.
+ * @see <a href="http://java.sun.com/j2se/1.4.2/docs/api/java/nio/charset/Charset.html">Standard charsets</a>
+ * @see #getBytesUnchecked(String, String)
+ */
+ public static byte[] getBytesIso8859_1(String string) {
+ return StringUtils.getBytesUnchecked(string, CharEncoding.ISO_8859_1);
+ }
+
+ /**
+ * Encodes the given string into a sequence of bytes using the US-ASCII charset, storing the result into a new byte
+ * array.
+ *
+ * @param string
+ * the String to encode, may be <code>null</code>
+ * @return encoded bytes, or <code>null</code> if the input string was <code>null</code>
+ * @throws IllegalStateException
+ * Thrown when the charset is missing, which should be never according the the Java specification.
+ * @see <a href="http://java.sun.com/j2se/1.4.2/docs/api/java/nio/charset/Charset.html">Standard charsets</a>
+ * @see #getBytesUnchecked(String, String)
+ */
+ public static byte[] getBytesUsAscii(String string) {
+ return StringUtils.getBytesUnchecked(string, CharEncoding.US_ASCII);
+ }
+
+ /**
+ * Encodes the given string into a sequence of bytes using the UTF-16 charset, storing the result into a new byte
+ * array.
+ *
+ * @param string
+ * the String to encode, may be <code>null</code>
+ * @return encoded bytes, or <code>null</code> if the input string was <code>null</code>
+ * @throws IllegalStateException
+ * Thrown when the charset is missing, which should be never according the the Java specification.
+ * @see <a href="http://java.sun.com/j2se/1.4.2/docs/api/java/nio/charset/Charset.html">Standard charsets</a>
+ * @see #getBytesUnchecked(String, String)
+ */
+ public static byte[] getBytesUtf16(String string) {
+ return StringUtils.getBytesUnchecked(string, CharEncoding.UTF_16);
+ }
+
+ /**
+ * Encodes the given string into a sequence of bytes using the UTF-16BE charset, storing the result into a new byte
+ * array.
+ *
+ * @param string
+ * the String to encode, may be <code>null</code>
+ * @return encoded bytes, or <code>null</code> if the input string was <code>null</code>
+ * @throws IllegalStateException
+ * Thrown when the charset is missing, which should be never according the the Java specification.
+ * @see <a href="http://java.sun.com/j2se/1.4.2/docs/api/java/nio/charset/Charset.html">Standard charsets</a>
+ * @see #getBytesUnchecked(String, String)
+ */
+ public static byte[] getBytesUtf16Be(String string) {
+ return StringUtils.getBytesUnchecked(string, CharEncoding.UTF_16BE);
+ }
+
+ /**
+ * Encodes the given string into a sequence of bytes using the UTF-16LE charset, storing the result into a new byte
+ * array.
+ *
+ * @param string
+ * the String to encode, may be <code>null</code>
+ * @return encoded bytes, or <code>null</code> if the input string was <code>null</code>
+ * @throws IllegalStateException
+ * Thrown when the charset is missing, which should be never according the the Java specification.
+ * @see <a href="http://java.sun.com/j2se/1.4.2/docs/api/java/nio/charset/Charset.html">Standard charsets</a>
+ * @see #getBytesUnchecked(String, String)
+ */
+ public static byte[] getBytesUtf16Le(String string) {
+ return StringUtils.getBytesUnchecked(string, CharEncoding.UTF_16LE);
+ }
+
+ /**
+ * Encodes the given string into a sequence of bytes using the UTF-8 charset, storing the result into a new byte
+ * array.
+ *
+ * @param string
+ * the String to encode, may be <code>null</code>
+ * @return encoded bytes, or <code>null</code> if the input string was <code>null</code>
+ * @throws IllegalStateException
+ * Thrown when the charset is missing, which should be never according the the Java specification.
+ * @see <a href="http://java.sun.com/j2se/1.4.2/docs/api/java/nio/charset/Charset.html">Standard charsets</a>
+ * @see #getBytesUnchecked(String, String)
+ */
+ public static byte[] getBytesUtf8(String string) {
+ return StringUtils.getBytesUnchecked(string, CharEncoding.UTF_8);
+ }
+
+ /**
+ * Encodes the given string into a sequence of bytes using the named charset, storing the result into a new byte
+ * array.
+ * <p>
+ * This method catches {@link UnsupportedEncodingException} and rethrows it as {@link IllegalStateException}, which
+ * should never happen for a required charset name. Use this method when the encoding is required to be in the JRE.
+ * </p>
+ *
+ * @param string
+ * the String to encode, may be <code>null</code>
+ * @param charsetName
+ * The name of a required {@link java.nio.charset.Charset}
+ * @return encoded bytes, or <code>null</code> if the input string was <code>null</code>
+ * @throws IllegalStateException
+ * Thrown when a {@link UnsupportedEncodingException} is caught, which should never happen for a
+ * required charset name.
+ * @see CharEncoding
+ * @see String#getBytes(String)
+ */
+ public static byte[] getBytesUnchecked(String string, String charsetName) {
+ if (string == null) {
+ return null;
+ }
+ try {
+ return string.getBytes(charsetName);
+ } catch (UnsupportedEncodingException e) {
+ throw StringUtils.newIllegalStateException(charsetName, e);
+ }
+ }
+
+ private static IllegalStateException newIllegalStateException(String charsetName, UnsupportedEncodingException e) {
+ return new IllegalStateException(charsetName + ": " + e);
+ }
+
+ /**
+ * Constructs a new <code>String</code> by decoding the specified array of bytes using the given charset.
+ * <p>
+ * This method catches {@link UnsupportedEncodingException} and re-throws it as {@link IllegalStateException}, which
+ * should never happen for a required charset name. Use this method when the encoding is required to be in the JRE.
+ * </p>
+ *
+ * @param bytes
+ * The bytes to be decoded into characters, may be <code>null</code>
+ * @param charsetName
+ * The name of a required {@link java.nio.charset.Charset}
+ * @return A new <code>String</code> decoded from the specified array of bytes using the given charset,
+ * or <code>null</code> if the input byte arrray was <code>null</code>.
+ * @throws IllegalStateException
+ * Thrown when a {@link UnsupportedEncodingException} is caught, which should never happen for a
+ * required charset name.
+ * @see CharEncoding
+ * @see String#String(byte[], String)
+ */
+ public static String newString(byte[] bytes, String charsetName) {
+ if (bytes == null) {
+ return null;
+ }
+ try {
+ return new String(bytes, charsetName);
+ } catch (UnsupportedEncodingException e) {
+ throw StringUtils.newIllegalStateException(charsetName, e);
+ }
+ }
+
+ /**
+ * Constructs a new <code>String</code> by decoding the specified array of bytes using the ISO-8859-1 charset.
+ *
+ * @param bytes
+ * The bytes to be decoded into characters, may be <code>null</code>
+ * @return A new <code>String</code> decoded from the specified array of bytes using the ISO-8859-1 charset,
+ * or <code>null</code> if the input byte array was <code>null</code>.
+ * @throws IllegalStateException
+ * Thrown when a {@link UnsupportedEncodingException} is caught, which should never happen since the
+ * charset is required.
+ */
+ public static String newStringIso8859_1(byte[] bytes) {
+ return StringUtils.newString(bytes, CharEncoding.ISO_8859_1);
+ }
+
+ /**
+ * Constructs a new <code>String</code> by decoding the specified array of bytes using the US-ASCII charset.
+ *
+ * @param bytes
+ * The bytes to be decoded into characters
+ * @return A new <code>String</code> decoded from the specified array of bytes using the US-ASCII charset,
+ * or <code>null</code> if the input byte array was <code>null</code>.
+ * @throws IllegalStateException
+ * Thrown when a {@link UnsupportedEncodingException} is caught, which should never happen since the
+ * charset is required.
+ */
+ public static String newStringUsAscii(byte[] bytes) {
+ return StringUtils.newString(bytes, CharEncoding.US_ASCII);
+ }
+
+ /**
+ * Constructs a new <code>String</code> by decoding the specified array of bytes using the UTF-16 charset.
+ *
+ * @param bytes
+ * The bytes to be decoded into characters
+ * @return A new <code>String</code> decoded from the specified array of bytes using the UTF-16 charset
+ * or <code>null</code> if the input byte array was <code>null</code>.
+ * @throws IllegalStateException
+ * Thrown when a {@link UnsupportedEncodingException} is caught, which should never happen since the
+ * charset is required.
+ */
+ public static String newStringUtf16(byte[] bytes) {
+ return StringUtils.newString(bytes, CharEncoding.UTF_16);
+ }
+
+ /**
+ * Constructs a new <code>String</code> by decoding the specified array of bytes using the UTF-16BE charset.
+ *
+ * @param bytes
+ * The bytes to be decoded into characters
+ * @return A new <code>String</code> decoded from the specified array of bytes using the UTF-16BE charset,
+ * or <code>null</code> if the input byte array was <code>null</code>.
+ * @throws IllegalStateException
+ * Thrown when a {@link UnsupportedEncodingException} is caught, which should never happen since the
+ * charset is required.
+ */
+ public static String newStringUtf16Be(byte[] bytes) {
+ return StringUtils.newString(bytes, CharEncoding.UTF_16BE);
+ }
+
+ /**
+ * Constructs a new <code>String</code> by decoding the specified array of bytes using the UTF-16LE charset.
+ *
+ * @param bytes
+ * The bytes to be decoded into characters
+ * @return A new <code>String</code> decoded from the specified array of bytes using the UTF-16LE charset,
+ * or <code>null</code> if the input byte array was <code>null</code>.
+ * @throws IllegalStateException
+ * Thrown when a {@link UnsupportedEncodingException} is caught, which should never happen since the
+ * charset is required.
+ */
+ public static String newStringUtf16Le(byte[] bytes) {
+ return StringUtils.newString(bytes, CharEncoding.UTF_16LE);
+ }
+
+ /**
+ * Constructs a new <code>String</code> by decoding the specified array of bytes using the UTF-8 charset.
+ *
+ * @param bytes
+ * The bytes to be decoded into characters
+ * @return A new <code>String</code> decoded from the specified array of bytes using the UTF-8 charset,
+ * or <code>null</code> if the input byte array was <code>null</code>.
+ * @throws IllegalStateException
+ * Thrown when a {@link UnsupportedEncodingException} is caught, which should never happen since the
+ * charset is required.
+ */
+ public static String newStringUtf8(byte[] bytes) {
+ return StringUtils.newString(bytes, CharEncoding.UTF_8);
+ }
+
+}