| /* |
| * Copyright (C) 2007 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 com.android.ide.common.resources.configuration; |
| |
| import java.util.Locale; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| /** |
| * Resource Qualifier for Region. |
| */ |
| public final class RegionQualifier extends ResourceQualifier { |
| private static final Pattern sRegionPattern = Pattern.compile("^r([a-zA-Z]{2})$"); //$NON-NLS-1$ |
| |
| public static final String FAKE_REGION_VALUE = "__"; //$NON-NLS-1$ |
| public static final String NAME = "Region"; |
| |
| private String mValue; |
| |
| /** |
| * Creates and returns a qualifier from the given folder segment. If the segment is incorrect, |
| * <code>null</code> is returned. |
| * @param segment the folder segment from which to create a qualifier. |
| * @return a new {@link RegionQualifier} object or <code>null</code> |
| */ |
| public static RegionQualifier getQualifier(String segment) { |
| Matcher m = sRegionPattern.matcher(segment); |
| if (m.matches()) { |
| RegionQualifier qualifier = new RegionQualifier(); |
| assert m.group(1).length() == 2; |
| qualifier.mValue = new String(new char[] { |
| Character.toUpperCase(segment.charAt(1)), |
| Character.toUpperCase(segment.charAt(2)) |
| }); |
| |
| return qualifier; |
| } |
| return null; |
| } |
| |
| /** |
| * Returns the folder name segment for the given value. This is equivalent to calling |
| * {@link #toString()} on a {@link RegionQualifier} object. |
| * @param value the value of the qualifier, as returned by {@link #getValue()}. |
| */ |
| public static String getFolderSegment(String value) { |
| if (value != null) { |
| // See http://developer.android.com/reference/java/util/Locale.html#default_locale |
| String segment = "r" + value.toUpperCase(Locale.US); //$NON-NLS-1$ |
| if (sRegionPattern.matcher(segment).matches()) { |
| return segment; |
| } |
| } |
| |
| return ""; //$NON-NLS-1$ |
| } |
| |
| public RegionQualifier() { |
| |
| } |
| |
| public RegionQualifier(String value) { |
| mValue = value.toUpperCase(Locale.US); |
| } |
| |
| public String getValue() { |
| if (mValue != null) { |
| return mValue; |
| } |
| |
| return ""; //$NON-NLS-1$ |
| } |
| |
| @Override |
| public String getName() { |
| return NAME; |
| } |
| |
| @Override |
| public String getShortName() { |
| return NAME; |
| } |
| |
| @Override |
| public int since() { |
| return 1; |
| } |
| |
| @Override |
| public boolean isValid() { |
| return mValue != null; |
| } |
| |
| @Override |
| public boolean hasFakeValue() { |
| return FAKE_REGION_VALUE.equals(mValue); |
| } |
| |
| @Override |
| public boolean checkAndSet(String value, FolderConfiguration config) { |
| if (value.length() != 3) { |
| return false; |
| } |
| RegionQualifier qualifier = getQualifier(value); |
| if (qualifier != null) { |
| config.setRegionQualifier(qualifier); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public boolean equals(Object qualifier) { |
| if (qualifier instanceof RegionQualifier) { |
| if (mValue == null) { |
| return ((RegionQualifier)qualifier).mValue == null; |
| } |
| return mValue.equals(((RegionQualifier)qualifier).mValue); |
| } |
| |
| return false; |
| } |
| |
| @Override |
| public int hashCode() { |
| if (mValue != null) { |
| return mValue.hashCode(); |
| } |
| |
| return 0; |
| } |
| |
| /** |
| * Returns the string used to represent this qualifier in the folder name. |
| */ |
| @Override |
| public String getFolderSegment() { |
| return getFolderSegment(mValue); |
| } |
| |
| @Override |
| public String getShortDisplayValue() { |
| if (mValue != null) { |
| return mValue; |
| } |
| |
| return ""; //$NON-NLS-1$ |
| } |
| |
| @Override |
| public String getLongDisplayValue() { |
| if (mValue != null) { |
| return String.format("Region %s", mValue); |
| } |
| |
| return ""; //$NON-NLS-1$ |
| } |
| } |