| /* |
| * Copyright (c) 2001, 2005, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.nio.cs.ext; |
| |
| import java.util.Collections; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.nio.charset.*; |
| |
| final class CompoundTextSupport { |
| |
| private static final class ControlSequence { |
| |
| final int hash; |
| final byte[] escSequence; |
| final byte[] encoding; |
| |
| ControlSequence(byte[] escSequence) { |
| this(escSequence, null); |
| } |
| ControlSequence(byte[] escSequence, byte[] encoding) { |
| if (escSequence == null) { |
| throw new NullPointerException(); |
| } |
| |
| this.escSequence = escSequence; |
| this.encoding = encoding; |
| |
| int hash = 0; |
| int length = escSequence.length; |
| |
| for (int i = 0; i < escSequence.length; i++) { |
| hash += (((int)escSequence[i]) & 0xff) << (i % 4); |
| } |
| if (encoding != null) { |
| for (int i = 0; i < encoding.length; i++) { |
| hash += (((int)encoding[i]) & 0xff) << (i % 4); |
| } |
| length += 2 /* M L */ + encoding.length + 1 /* 0x02 */; |
| } |
| |
| this.hash = hash; |
| |
| if (MAX_CONTROL_SEQUENCE_LEN < length) { |
| MAX_CONTROL_SEQUENCE_LEN = length; |
| } |
| } |
| |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (!(obj instanceof ControlSequence)) { |
| return false; |
| } |
| ControlSequence rhs = (ControlSequence)obj; |
| if (escSequence != rhs.escSequence) { |
| if (escSequence.length != rhs.escSequence.length) { |
| return false; |
| } |
| for (int i = 0; i < escSequence.length; i++) { |
| if (escSequence[i] != rhs.escSequence[i]) { |
| return false; |
| } |
| } |
| } |
| if (encoding != rhs.encoding) { |
| if (encoding == null || rhs.encoding == null || |
| encoding.length != rhs.encoding.length) |
| { |
| return false; |
| } |
| for (int i = 0; i < encoding.length; i++) { |
| if (encoding[i] != rhs.encoding[i]) { |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| |
| public int hashCode() { |
| return hash; |
| } |
| |
| ControlSequence concatenate(ControlSequence rhs) { |
| if (encoding != null) { |
| throw new IllegalArgumentException |
| ("cannot concatenate to a non-standard charset escape " + |
| "sequence"); |
| } |
| |
| int len = escSequence.length + rhs.escSequence.length; |
| byte[] newEscSequence = new byte[len]; |
| System.arraycopy(escSequence, 0, newEscSequence, 0, |
| escSequence.length); |
| System.arraycopy(rhs.escSequence, 0, newEscSequence, |
| escSequence.length, rhs.escSequence.length); |
| return new ControlSequence(newEscSequence, rhs.encoding); |
| } |
| } |
| |
| static int MAX_CONTROL_SEQUENCE_LEN; |
| |
| /** |
| * Maps a GL or GR escape sequence to an encoding. |
| */ |
| private static final Map sequenceToEncodingMap; |
| |
| /** |
| * Indicates whether a particular encoding wants the high bit turned on |
| * or off. |
| */ |
| private static final Map highBitsMap; |
| |
| /** |
| * Maps an encoding to an escape sequence. Rather than manage two |
| * converters in CharToByteCOMPOUND_TEXT, we output escape sequences which |
| * modify both GL and GR if necessary. This makes the output slightly less |
| * efficient, but our code much simpler. |
| */ |
| private static final Map encodingToSequenceMap; |
| |
| /** |
| * The keys of 'encodingToSequenceMap', sorted in preferential order. |
| */ |
| private static final List encodings; |
| |
| static { |
| HashMap tSequenceToEncodingMap = new HashMap(33, 1.0f); |
| HashMap tHighBitsMap = new HashMap(31, 1.0f); |
| HashMap tEncodingToSequenceMap = new HashMap(21, 1.0f); |
| ArrayList tEncodings = new ArrayList(21); |
| |
| if (!(isEncodingSupported("US-ASCII") && |
| isEncodingSupported("ISO-8859-1"))) |
| { |
| throw new ExceptionInInitializerError |
| ("US-ASCII and ISO-8859-1 unsupported"); |
| } |
| |
| ControlSequence leftAscii = // high bit off, leave off |
| new ControlSequence(new byte[] { 0x1B, 0x28, 0x42 }); |
| tSequenceToEncodingMap.put(leftAscii, "US-ASCII"); |
| tHighBitsMap.put(leftAscii, Boolean.FALSE); |
| |
| { |
| ControlSequence rightAscii = // high bit on, turn off |
| new ControlSequence(new byte[] { 0x1B, 0x29, 0x42 }); |
| tSequenceToEncodingMap.put(rightAscii, "US-ASCII"); |
| tHighBitsMap.put(rightAscii, Boolean.FALSE); |
| } |
| |
| { |
| ControlSequence rightHalf = // high bit on, leave on |
| new ControlSequence(new byte[] { 0x1B, 0x2D, 0x41 }); |
| tSequenceToEncodingMap.put(rightHalf, "ISO-8859-1"); |
| tHighBitsMap.put(rightHalf, Boolean.TRUE); |
| |
| ControlSequence fullSet = leftAscii.concatenate(rightHalf); |
| tEncodingToSequenceMap.put("ISO-8859-1", fullSet); |
| tEncodings.add("ISO-8859-1"); |
| } |
| if (isEncodingSupported("ISO-8859-2")) { |
| ControlSequence rightHalf = // high bit on, leave on |
| new ControlSequence(new byte[] { 0x1B, 0x2D, 0x42 }); |
| tSequenceToEncodingMap.put(rightHalf, "ISO-8859-2"); |
| tHighBitsMap.put(rightHalf, Boolean.TRUE); |
| |
| ControlSequence fullSet = leftAscii.concatenate(rightHalf); |
| tEncodingToSequenceMap.put("ISO-8859-2", fullSet); |
| tEncodings.add("ISO-8859-2"); |
| } |
| if (isEncodingSupported("ISO-8859-3")) { |
| ControlSequence rightHalf = // high bit on, leave on |
| new ControlSequence(new byte[] { 0x1B, 0x2D, 0x43 }); |
| tSequenceToEncodingMap.put(rightHalf, "ISO-8859-3"); |
| tHighBitsMap.put(rightHalf, Boolean.TRUE); |
| |
| ControlSequence fullSet = leftAscii.concatenate(rightHalf); |
| tEncodingToSequenceMap.put("ISO-8859-3", fullSet); |
| tEncodings.add("ISO-8859-3"); |
| } |
| if (isEncodingSupported("ISO-8859-4")) { |
| ControlSequence rightHalf = // high bit on, leave on |
| new ControlSequence(new byte[] { 0x1B, 0x2D, 0x44 }); |
| tSequenceToEncodingMap.put(rightHalf, "ISO-8859-4"); |
| tHighBitsMap.put(rightHalf, Boolean.TRUE); |
| |
| ControlSequence fullSet = leftAscii.concatenate(rightHalf); |
| tEncodingToSequenceMap.put("ISO-8859-4", fullSet); |
| tEncodings.add("ISO-8859-4"); |
| } |
| if (isEncodingSupported("ISO-8859-5")) { |
| ControlSequence rightHalf = // high bit on, leave on |
| new ControlSequence(new byte[] { 0x1B, 0x2D, 0x4C }); |
| tSequenceToEncodingMap.put(rightHalf, "ISO-8859-5"); |
| tHighBitsMap.put(rightHalf, Boolean.TRUE); |
| |
| ControlSequence fullSet = leftAscii.concatenate(rightHalf); |
| tEncodingToSequenceMap.put("ISO-8859-5", fullSet); |
| tEncodings.add("ISO-8859-5"); |
| } |
| if (isEncodingSupported("ISO-8859-6")) { |
| ControlSequence rightHalf = // high bit on, leave on |
| new ControlSequence(new byte[] { 0x1B, 0x2D, 0x47 }); |
| tSequenceToEncodingMap.put(rightHalf, "ISO-8859-6"); |
| tHighBitsMap.put(rightHalf, Boolean.TRUE); |
| |
| ControlSequence fullSet = leftAscii.concatenate(rightHalf); |
| tEncodingToSequenceMap.put("ISO-8859-6", fullSet); |
| tEncodings.add("ISO-8859-6"); |
| } |
| if (isEncodingSupported("ISO-8859-7")) { |
| ControlSequence rightHalf = // high bit on, leave on |
| new ControlSequence(new byte[] { 0x1B, 0x2D, 0x46 }); |
| tSequenceToEncodingMap.put(rightHalf, "ISO-8859-7"); |
| tHighBitsMap.put(rightHalf, Boolean.TRUE); |
| |
| ControlSequence fullSet = leftAscii.concatenate(rightHalf); |
| tEncodingToSequenceMap.put("ISO-8859-7", fullSet); |
| tEncodings.add("ISO-8859-7"); |
| } |
| if (isEncodingSupported("ISO-8859-8")) { |
| ControlSequence rightHalf = // high bit on, leave on |
| new ControlSequence(new byte[] { 0x1B, 0x2D, 0x48 }); |
| tSequenceToEncodingMap.put(rightHalf, "ISO-8859-8"); |
| tHighBitsMap.put(rightHalf, Boolean.TRUE); |
| |
| ControlSequence fullSet = leftAscii.concatenate(rightHalf); |
| tEncodingToSequenceMap.put("ISO-8859-8", fullSet); |
| tEncodings.add("ISO-8859-8"); |
| } |
| if (isEncodingSupported("ISO-8859-9")) { |
| ControlSequence rightHalf = // high bit on, leave on |
| new ControlSequence(new byte[] { 0x1B, 0x2D, 0x4D }); |
| tSequenceToEncodingMap.put(rightHalf, "ISO-8859-9"); |
| tHighBitsMap.put(rightHalf, Boolean.TRUE); |
| |
| ControlSequence fullSet = leftAscii.concatenate(rightHalf); |
| tEncodingToSequenceMap.put("ISO-8859-9", fullSet); |
| tEncodings.add("ISO-8859-9"); |
| } |
| if (isEncodingSupported("JIS_X0201")) { |
| ControlSequence glLeft = // high bit off, leave off |
| new ControlSequence(new byte[] { 0x1B, 0x28, 0x4A }); |
| ControlSequence glRight = // high bit off, turn on |
| new ControlSequence(new byte[] { 0x1B, 0x28, 0x49 }); |
| ControlSequence grLeft = // high bit on, turn off |
| new ControlSequence(new byte[] { 0x1B, 0x29, 0x4A }); |
| ControlSequence grRight = // high bit on, leave on |
| new ControlSequence(new byte[] { 0x1B, 0x29, 0x49 }); |
| tSequenceToEncodingMap.put(glLeft, "JIS_X0201"); |
| tSequenceToEncodingMap.put(glRight, "JIS_X0201"); |
| tSequenceToEncodingMap.put(grLeft, "JIS_X0201"); |
| tSequenceToEncodingMap.put(grRight, "JIS_X0201"); |
| tHighBitsMap.put(glLeft, Boolean.FALSE); |
| tHighBitsMap.put(glRight, Boolean.TRUE); |
| tHighBitsMap.put(grLeft, Boolean.FALSE); |
| tHighBitsMap.put(grRight, Boolean.TRUE); |
| |
| ControlSequence fullSet = glLeft.concatenate(grRight); |
| tEncodingToSequenceMap.put("JIS_X0201", fullSet); |
| tEncodings.add("JIS_X0201"); |
| } |
| if (isEncodingSupported("X11GB2312")) { |
| ControlSequence leftHalf = // high bit off, leave off |
| new ControlSequence(new byte[] { 0x1B, 0x24, 0x28, 0x41 }); |
| ControlSequence rightHalf = // high bit on, turn off |
| new ControlSequence(new byte[] { 0x1B, 0x24, 0x29, 0x41 }); |
| tSequenceToEncodingMap.put(leftHalf, "X11GB2312"); |
| tSequenceToEncodingMap.put(rightHalf, "X11GB2312"); |
| tHighBitsMap.put(leftHalf, Boolean.FALSE); |
| tHighBitsMap.put(rightHalf, Boolean.FALSE); |
| |
| tEncodingToSequenceMap.put("X11GB2312", leftHalf); |
| tEncodings.add("X11GB2312"); |
| } |
| if (isEncodingSupported("x-JIS0208")) { |
| ControlSequence leftHalf = // high bit off, leave off |
| new ControlSequence(new byte[] { 0x1B, 0x24, 0x28, 0x42 }); |
| ControlSequence rightHalf = // high bit on, turn off |
| new ControlSequence(new byte[] { 0x1B, 0x24, 0x29, 0x42 }); |
| tSequenceToEncodingMap.put(leftHalf, "x-JIS0208"); |
| tSequenceToEncodingMap.put(rightHalf, "x-JIS0208"); |
| tHighBitsMap.put(leftHalf, Boolean.FALSE); |
| tHighBitsMap.put(rightHalf, Boolean.FALSE); |
| |
| tEncodingToSequenceMap.put("x-JIS0208", leftHalf); |
| tEncodings.add("x-JIS0208"); |
| } |
| if (isEncodingSupported("X11KSC5601")) { |
| ControlSequence leftHalf = // high bit off, leave off |
| new ControlSequence(new byte[] { 0x1B, 0x24, 0x28, 0x43 }); |
| ControlSequence rightHalf = // high bit on, turn off |
| new ControlSequence(new byte[] { 0x1B, 0x24, 0x29, 0x43 }); |
| tSequenceToEncodingMap.put(leftHalf, "X11KSC5601"); |
| tSequenceToEncodingMap.put(rightHalf, "X11KSC5601"); |
| tHighBitsMap.put(leftHalf, Boolean.FALSE); |
| tHighBitsMap.put(rightHalf, Boolean.FALSE); |
| |
| tEncodingToSequenceMap.put("X11KSC5601", leftHalf); |
| tEncodings.add("X11KSC5601"); |
| } |
| |
| // Encodings not listed in Compound Text Encoding spec |
| |
| // Esc seq: -b |
| if (isEncodingSupported("ISO-8859-15")) { |
| ControlSequence rightHalf = // high bit on, leave on |
| new ControlSequence(new byte[] { 0x1B, 0x2D, 0x62 }); |
| tSequenceToEncodingMap.put(rightHalf, "ISO-8859-15"); |
| tHighBitsMap.put(rightHalf, Boolean.TRUE); |
| |
| ControlSequence fullSet = leftAscii.concatenate(rightHalf); |
| tEncodingToSequenceMap.put("ISO-8859-15", fullSet); |
| tEncodings.add("ISO-8859-15"); |
| } |
| // Esc seq: -T |
| if (isEncodingSupported("TIS-620")) { |
| ControlSequence rightHalf = // high bit on, leave on |
| new ControlSequence(new byte[] { 0x1B, 0x2D, 0x54 }); |
| tSequenceToEncodingMap.put(rightHalf, "TIS-620"); |
| tHighBitsMap.put(rightHalf, Boolean.TRUE); |
| |
| ControlSequence fullSet = leftAscii.concatenate(rightHalf); |
| tEncodingToSequenceMap.put("TIS-620", fullSet); |
| tEncodings.add("TIS-620"); |
| } |
| if (isEncodingSupported("JIS_X0212-1990")) { |
| ControlSequence leftHalf = // high bit off, leave off |
| new ControlSequence(new byte[] { 0x1B, 0x24, 0x28, 0x44 }); |
| ControlSequence rightHalf = // high bit on, turn off |
| new ControlSequence(new byte[] { 0x1B, 0x24, 0x29, 0x44 }); |
| tSequenceToEncodingMap.put(leftHalf, "JIS_X0212-1990"); |
| tSequenceToEncodingMap.put(rightHalf, "JIS_X0212-1990"); |
| tHighBitsMap.put(leftHalf, Boolean.FALSE); |
| tHighBitsMap.put(rightHalf, Boolean.FALSE); |
| |
| tEncodingToSequenceMap.put("JIS_X0212-1990", leftHalf); |
| tEncodings.add("JIS_X0212-1990"); |
| } |
| if (isEncodingSupported("X11CNS11643P1")) { |
| ControlSequence leftHalf = // high bit off, leave off |
| new ControlSequence(new byte[] { 0x1B, 0x24, 0x28, 0x47 }); |
| ControlSequence rightHalf = // high bit on, turn off |
| new ControlSequence(new byte[] { 0x1B, 0x24, 0x29, 0x47 }); |
| tSequenceToEncodingMap.put(leftHalf, "X11CNS11643P1"); |
| tSequenceToEncodingMap.put(rightHalf, "X11CNS11643P1"); |
| tHighBitsMap.put(leftHalf, Boolean.FALSE); |
| tHighBitsMap.put(rightHalf, Boolean.FALSE); |
| |
| tEncodingToSequenceMap.put("X11CNS11643P1", leftHalf); |
| tEncodings.add("X11CNS11643P1"); |
| } |
| if (isEncodingSupported("X11CNS11643P2")) { |
| ControlSequence leftHalf = // high bit off, leave off |
| new ControlSequence(new byte[] { 0x1B, 0x24, 0x28, 0x48 }); |
| ControlSequence rightHalf = // high bit on, turn off |
| new ControlSequence(new byte[] { 0x1B, 0x24, 0x29, 0x48 }); |
| tSequenceToEncodingMap.put(leftHalf, "X11CNS11643P2"); |
| tSequenceToEncodingMap.put(rightHalf, "X11CNS11643P2"); |
| tHighBitsMap.put(leftHalf, Boolean.FALSE); |
| tHighBitsMap.put(rightHalf, Boolean.FALSE); |
| |
| tEncodingToSequenceMap.put("X11CNS11643P2", leftHalf); |
| tEncodings.add("X11CNS11643P2"); |
| } |
| if (isEncodingSupported("X11CNS11643P3")) { |
| ControlSequence leftHalf = // high bit off, leave off |
| new ControlSequence(new byte[] { 0x1B, 0x24, 0x28, 0x49 }); |
| ControlSequence rightHalf = // high bit on, turn off |
| new ControlSequence(new byte[] { 0x1B, 0x24, 0x29, 0x49 }); |
| tSequenceToEncodingMap.put(leftHalf, "X11CNS11643P3"); |
| tSequenceToEncodingMap.put(rightHalf, "X11CNS11643P3"); |
| tHighBitsMap.put(leftHalf, Boolean.FALSE); |
| tHighBitsMap.put(rightHalf, Boolean.FALSE); |
| |
| tEncodingToSequenceMap.put("X11CNS11643P3", leftHalf); |
| tEncodings.add("X11CNS11643P3"); |
| } |
| // Esc seq: %/2??SUN-KSC5601.1992-3 |
| if (isEncodingSupported("x-Johab")) { |
| // 0x32 looks wrong. It's copied from the Sun X11 Compound Text |
| // support code. It implies that all Johab characters comprise two |
| // octets, which isn't true. Johab supports the ASCII/KS-Roman |
| // characters from 0x21-0x7E with single-byte representations. |
| ControlSequence johab = new ControlSequence( |
| new byte[] { 0x1b, 0x25, 0x2f, 0x32 }, |
| new byte[] { 0x53, 0x55, 0x4e, 0x2d, 0x4b, 0x53, 0x43, 0x35, |
| 0x36, 0x30, 0x31, 0x2e, 0x31, 0x39, 0x39, 0x32, |
| 0x2d, 0x33 }); |
| tSequenceToEncodingMap.put(johab, "x-Johab"); |
| tEncodingToSequenceMap.put("x-Johab", johab); |
| tEncodings.add("x-Johab"); |
| } |
| // Esc seq: %/2??SUN-BIG5-1 |
| if (isEncodingSupported("Big5")) { |
| // 0x32 looks wrong. It's copied from the Sun X11 Compound Text |
| // support code. It implies that all Big5 characters comprise two |
| // octets, which isn't true. Big5 supports the ASCII/CNS-Roman |
| // characters from 0x21-0x7E with single-byte representations. |
| ControlSequence big5 = new ControlSequence( |
| new byte[] { 0x1b, 0x25, 0x2f, 0x32 }, |
| new byte[] { 0x53, 0x55, 0x4e, 0x2d, 0x42, 0x49, 0x47, 0x35, |
| 0x2d, 0x31 }); |
| tSequenceToEncodingMap.put(big5, "Big5"); |
| tEncodingToSequenceMap.put("Big5", big5); |
| tEncodings.add("Big5"); |
| } |
| |
| sequenceToEncodingMap = |
| Collections.unmodifiableMap(tSequenceToEncodingMap); |
| highBitsMap = Collections.unmodifiableMap(tHighBitsMap); |
| encodingToSequenceMap = |
| Collections.unmodifiableMap(tEncodingToSequenceMap); |
| encodings = Collections.unmodifiableList(tEncodings); |
| } |
| |
| private static boolean isEncodingSupported(String encoding) { |
| try { |
| if (Charset.isSupported(encoding)) |
| return true; |
| } catch (IllegalArgumentException x) { } |
| return (getDecoder(encoding) != null && |
| getEncoder(encoding) != null); |
| } |
| |
| |
| // For Decoder |
| static CharsetDecoder getStandardDecoder(byte[] escSequence) { |
| return getNonStandardDecoder(escSequence, null); |
| } |
| static boolean getHighBit(byte[] escSequence) { |
| Boolean bool = (Boolean)highBitsMap.get |
| (new ControlSequence(escSequence)); |
| return (bool == Boolean.TRUE); |
| } |
| static CharsetDecoder getNonStandardDecoder(byte[] escSequence, |
| byte[] encoding) { |
| return getDecoder((String)sequenceToEncodingMap.get |
| (new ControlSequence(escSequence, encoding))); |
| } |
| static CharsetDecoder getDecoder(String enc) { |
| if (enc == null) { |
| return null; |
| } |
| Charset cs = null; |
| try { |
| cs = Charset.forName(enc); |
| } catch (IllegalArgumentException e) { |
| Class cls; |
| try { |
| cls = Class.forName("sun.awt.motif." + enc); |
| } catch (ClassNotFoundException ee) { |
| return null; |
| } |
| try { |
| cs = (Charset)cls.newInstance(); |
| } catch (InstantiationException ee) { |
| return null; |
| } catch (IllegalAccessException ee) { |
| return null; |
| } |
| } |
| try { |
| return cs.newDecoder(); |
| } catch (UnsupportedOperationException e) {} |
| return null; |
| } |
| |
| |
| // For Encoder |
| static byte[] getEscapeSequence(String encoding) { |
| ControlSequence seq = (ControlSequence) |
| encodingToSequenceMap.get(encoding); |
| if (seq != null) { |
| return seq.escSequence; |
| } |
| return null; |
| } |
| static byte[] getEncoding(String encoding) { |
| ControlSequence seq = (ControlSequence) |
| encodingToSequenceMap.get(encoding); |
| if (seq != null) { |
| return seq.encoding; |
| } |
| return null; |
| } |
| static List getEncodings() { |
| return encodings; |
| } |
| static CharsetEncoder getEncoder(String enc) { |
| if (enc == null) { |
| return null; |
| } |
| Charset cs = null; |
| try { |
| cs = Charset.forName(enc); |
| } catch (IllegalArgumentException e) { |
| Class cls; |
| try { |
| cls = Class.forName("sun.awt.motif." + enc); |
| } catch (ClassNotFoundException ee) { |
| return null; |
| } |
| try { |
| cs = (Charset)cls.newInstance(); |
| } catch (InstantiationException ee) { |
| return null; |
| } catch (IllegalAccessException ee) { |
| return null; |
| } |
| } |
| try { |
| return cs.newEncoder(); |
| } catch (Throwable e) {} |
| return null; |
| } |
| |
| // Not an instantiable class |
| private CompoundTextSupport() {} |
| } |
