CharsetProviderICU.java
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/*
* Decompiled with CFR 0_118.
*/
package com.adobe.agl.charset;
import com.adobe.agl.charset.CharsetICU;
import com.adobe.agl.charset.CharsetMBCS;
import com.adobe.agl.charset.UConverterAlias;
import com.adobe.agl.impl.InvalidFormatException;
import java.io.IOException;
import java.nio.charset.Charset;
import java.nio.charset.UnsupportedCharsetException;
import java.nio.charset.spi.CharsetProvider;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
public final class CharsetProviderICU
extends CharsetProvider {
public final Charset charsetForName(String charsetName) {
try {
String icuCanonicalName = CharsetProviderICU.getICUCanonicalName(charsetName);
if (icuCanonicalName == null || icuCanonicalName.length() == 0) {
return CharsetProviderICU.getCharset(charsetName);
}
return CharsetProviderICU.getCharset(icuCanonicalName);
}
catch (UnsupportedCharsetException ex) {
}
catch (IOException ex) {
// empty catch block
}
return null;
}
public final Charset charsetForName(String charsetName, String classPath) {
return this.charsetForName(charsetName, classPath, null);
}
public Charset charsetForName(String charsetName, String classPath, ClassLoader loader) {
CharsetMBCS cs = null;
try {
cs = new CharsetMBCS(charsetName, charsetName, new String[0], classPath, loader);
}
catch (InvalidFormatException e) {
// empty catch block
}
return cs;
}
public static final String getICUCanonicalName(String enc) throws UnsupportedCharsetException {
String canonicalName = null;
String ret = null;
try {
if (enc != null) {
canonicalName = UConverterAlias.getCanonicalName(enc, "MIME");
ret = canonicalName != null ? canonicalName : ((canonicalName = UConverterAlias.getCanonicalName(enc, "IANA")) != null ? canonicalName : ((canonicalName = UConverterAlias.getAlias(enc, 0)) != null ? canonicalName : (enc.indexOf("x-") == 0 ? ((canonicalName = UConverterAlias.getAlias(enc.substring(2), 0)) != null ? canonicalName : "") : "")));
}
return ret;
}
catch (IOException ex) {
throw new UnsupportedCharsetException(enc);
}
}
private static final Charset getCharset(String icuCanonicalName) throws IOException {
String[] aliases = CharsetProviderICU.getAliases(icuCanonicalName);
String canonicalName = CharsetProviderICU.getJavaCanonicalName(icuCanonicalName);
return CharsetICU.getCharset(icuCanonicalName, canonicalName, aliases);
}
public static String getJavaCanonicalName(String charsetName) {
if (charsetName == null) {
return null;
}
try {
String cName = null;
cName = UConverterAlias.getStandardName(charsetName, "MIME");
if (cName == null && (cName = UConverterAlias.getStandardName(charsetName, "IANA")) == null) {
String name;
int aliasNum = UConverterAlias.countAliases(charsetName);
for (int i = 0; i < aliasNum; ++i) {
name = UConverterAlias.getAlias(charsetName, i);
if (name == null || name.indexOf("x-") != 0) continue;
cName = name;
break;
}
if (cName == null || cName.length() == 0) {
name = UConverterAlias.getStandardName(charsetName, "UTR22");
if (name == null && charsetName.indexOf(",") != -1) {
name = UConverterAlias.getAlias(charsetName, 1);
}
if (name == null) {
name = charsetName;
}
cName = "x-" + name;
}
}
if (cName != null && Charset.isSupported(cName)) {
cName = Charset.forName(cName).name();
}
return cName;
}
catch (IOException ex) {
return null;
}
}
private static final String[] getAliases(String encName) throws IOException {
String[] ret = null;
int aliasNum = 0;
int i = 0;
int j = 0;
String[] aliasArray = new String[50];
if (encName != null) {
aliasNum = UConverterAlias.countAliases(encName);
j = 0;
for (i = 0; i < aliasNum; ++i) {
String name = UConverterAlias.getAlias(encName, i);
if (name.indexOf(43) != -1 || name.indexOf(44) != -1) continue;
aliasArray[j++] = name;
}
ret = new String[j];
while (--j >= 0) {
ret[j] = aliasArray[j];
}
}
return ret;
}
private static final void putCharsets(Map map) {
int num = UConverterAlias.countAvailable();
for (int i = 0; i < num; ++i) {
String name = UConverterAlias.getAvailableName(i);
try {
Charset cs = CharsetProviderICU.getCharset(name);
map.put(cs, CharsetProviderICU.getJavaCanonicalName(name));
continue;
}
catch (UnsupportedCharsetException ex) {
continue;
}
catch (IOException e) {
// empty catch block
}
}
}
public final Iterator charsets() {
HashMap map = new HashMap();
CharsetProviderICU.putCharsets(map);
return map.keySet().iterator();
}
public static final Object[] getAvailableNames() {
HashMap map = new HashMap();
CharsetProviderICU.putCharsets(map);
return map.values().toArray();
}
public static final String[] getAllNames() {
int num = UConverterAlias.countAvailable();
String[] names = new String[num];
for (int i = 0; i < num; ++i) {
names[i] = UConverterAlias.getAvailableName(i);
}
return names;
}
}