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authorElliott Hughes <enh@google.com>2013-09-24 17:51:58 -0700
committerAndroid Git Automerger <android-git-automerger@android.com>2013-09-24 17:51:58 -0700
commitd82b1c3bf2abbc1582c90362267650cf05d38cd5 (patch)
tree00f758e1bc0d62de85543a6961f00e951ec65bf5
parent662b3bbe08c03de77c0676b4fdc1587723863f1b (diff)
parent9d8721f8abb018429e3dba2296bce789b776aa0c (diff)
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am 9d8721f8: Merge "Remove dead code."
* commit '9d8721f8abb018429e3dba2296bce789b776aa0c': Remove dead code.
-rw-r--r--core/java/android/util/CharsetUtils.java198
1 files changed, 0 insertions, 198 deletions
diff --git a/core/java/android/util/CharsetUtils.java b/core/java/android/util/CharsetUtils.java
deleted file mode 100644
index a763a69..0000000
--- a/core/java/android/util/CharsetUtils.java
+++ /dev/null
@@ -1,198 +0,0 @@
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * 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 android.util;
-
-import android.os.Build;
-import android.text.TextUtils;
-
-import java.nio.charset.Charset;
-import java.nio.charset.IllegalCharsetNameException;
-import java.nio.charset.UnsupportedCharsetException;
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * <p>
- * A class containing utility methods related to character sets. This
- * class is primarily useful for code that wishes to be vendor-aware
- * in its interpretation of Japanese charset names (used in DoCoMo,
- * KDDI, and SoftBank).
- * </p>
- *
- * <p>
- * <b>Note:</b> Developers will need to add an appropriate mapping for
- * each vendor-specific charset. You may need to modify the C libraries
- * like icu4c in order to let Android support an additional charset.
- * </p>
- *
- * @hide
- */
-public final class CharsetUtils {
- /**
- * name of the vendor "DoCoMo". <b>Note:</b> This isn't a public
- * constant, in order to keep this class from becoming a de facto
- * reference list of vendor names.
- */
- private static final String VENDOR_DOCOMO = "docomo";
- /**
- * Name of the vendor "KDDI".
- */
- private static final String VENDOR_KDDI = "kddi";
- /**
- * Name of the vendor "SoftBank".
- */
- private static final String VENDOR_SOFTBANK = "softbank";
-
- /**
- * Represents one-to-one mapping from a vendor name to a charset specific to the vendor.
- */
- private static final Map<String, String> sVendorShiftJisMap = new HashMap<String, String>();
-
- static {
- // These variants of Shift_JIS come from icu's mapping data (convrtrs.txt)
- sVendorShiftJisMap.put(VENDOR_DOCOMO, "docomo-shift_jis-2007");
- sVendorShiftJisMap.put(VENDOR_KDDI, "kddi-shift_jis-2007");
- sVendorShiftJisMap.put(VENDOR_SOFTBANK, "softbank-shift_jis-2007");
- }
-
- /**
- * This class is uninstantiable.
- */
- private CharsetUtils() {
- // This space intentionally left blank.
- }
-
- /**
- * Returns the name of the vendor-specific character set
- * corresponding to the given original character set name and
- * vendor. If there is no vendor-specific character set for the
- * given name/vendor pair, this returns the original character set name.
- *
- * @param charsetName the base character set name
- * @param vendor the vendor to specialize for. All characters should be lower-cased.
- * @return the specialized character set name, or {@code charsetName} if
- * there is no specialized name
- */
- public static String nameForVendor(String charsetName, String vendor) {
- if (!TextUtils.isEmpty(charsetName) && !TextUtils.isEmpty(vendor)) {
- // You can add your own mapping here.
- if (isShiftJis(charsetName)) {
- final String vendorShiftJis = sVendorShiftJisMap.get(vendor);
- if (vendorShiftJis != null) {
- return vendorShiftJis;
- }
- }
- }
-
- return charsetName;
- }
-
- /**
- * Returns the name of the vendor-specific character set
- * corresponding to the given original character set name and the
- * default vendor (that is, the targeted vendor of the device this
- * code is running on). This method merely calls through to
- * {@link #nameForVendor(String,String)}, passing the default vendor
- * as the second argument.
- *
- * @param charsetName the base character set name
- * @return the specialized character set name, or {@code charsetName} if
- * there is no specialized name
- */
- public static String nameForDefaultVendor(String charsetName) {
- return nameForVendor(charsetName, getDefaultVendor());
- }
-
- /**
- * Returns the vendor-specific character set corresponding to the
- * given original character set name and vendor. If there is no
- * vendor-specific character set for the given name/vendor pair,
- * this returns the character set corresponding to the original
- * name. The vendor name is matched case-insensitively. This
- * method merely calls {@code Charset.forName()} on a name
- * transformed by a call to {@link #nameForVendor(String,String)}.
- *
- * @param charsetName the base character set name
- * @param vendor the vendor to specialize for
- * @return the specialized character set, or the one corresponding
- * directly to {@code charsetName} if there is no specialized
- * variant
- * @throws UnsupportedCharsetException thrown if the named character
- * set is not supported by the system
- * @throws IllegalCharsetNameException thrown if {@code charsetName}
- * has invalid syntax
- */
- public static Charset charsetForVendor(String charsetName, String vendor)
- throws UnsupportedCharsetException, IllegalCharsetNameException {
- charsetName = nameForVendor(charsetName, vendor);
- return Charset.forName(charsetName);
- }
-
- /**
- * Returns the vendor-specific character set corresponding to the
- * given original character set name and default vendor (that is,
- * the targeted vendor of the device this code is running on).
- * This method merely calls through to {@link
- * #charsetForVendor(String,String)}, passing the default vendor
- * as the second argument.
- *
- * @param charsetName the base character set name
- * @return the specialized character set, or the one corresponding
- * directly to {@code charsetName} if there is no specialized
- * variant
- * @throws UnsupportedCharsetException thrown if the named character
- * set is not supported by the system
- * @throws IllegalCharsetNameException thrown if {@code charsetName}
- * has invalid syntax
- */
- public static Charset charsetForVendor(String charsetName)
- throws UnsupportedCharsetException, IllegalCharsetNameException {
- return charsetForVendor(charsetName, getDefaultVendor());
- }
-
- /**
- * Returns whether the given character set name indicates the Shift-JIS
- * encoding. Returns false if the name is null.
- *
- * @param charsetName the character set name
- * @return {@code true} if the name corresponds to Shift-JIS or
- * {@code false} if not
- */
- private static boolean isShiftJis(String charsetName) {
- // Bail quickly if the length doesn't match.
- if (charsetName == null) {
- return false;
- }
- int length = charsetName.length();
- if (length != 4 && length != 9) {
- return false;
- }
-
- return charsetName.equalsIgnoreCase("shift_jis")
- || charsetName.equalsIgnoreCase("shift-jis")
- || charsetName.equalsIgnoreCase("sjis");
- }
-
- /**
- * Gets the default vendor for this build.
- *
- * @return the default vendor name
- */
- private static String getDefaultVendor() {
- return Build.BRAND;
- }
-}