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authorXavier Ducrohet <xav@android.com>2011-03-17 18:52:22 -0700
committerXavier Ducrohet <xav@android.com>2011-03-17 19:09:22 -0700
commit026ba97e98e0527d910e15c4e1512893a777a8d2 (patch)
treefb4dd61fcdf82f41aaadd5528091c38c79604454 /ide_common/src/com/android/ide/common/resources/configuration/VersionQualifier.java
parent6aa6ce67dc85ea1d928a607d292d2c19bc2e2307 (diff)
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Move classes to ide-common
ResourceFolder/File and children classes (single/multi file) ResourceItem and children classes ResourceRepository (base and framework, project stays in ADT for now) All the ResourceQualifiers and FolderConfiguration Change-Id: I5adc9bdc4886a8fa0ab44860763d594cf7af4bd5
Diffstat (limited to 'ide_common/src/com/android/ide/common/resources/configuration/VersionQualifier.java')
-rw-r--r--ide_common/src/com/android/ide/common/resources/configuration/VersionQualifier.java189
1 files changed, 189 insertions, 0 deletions
diff --git a/ide_common/src/com/android/ide/common/resources/configuration/VersionQualifier.java b/ide_common/src/com/android/ide/common/resources/configuration/VersionQualifier.java
new file mode 100644
index 0000000..c7cef97
--- /dev/null
+++ b/ide_common/src/com/android/ide/common/resources/configuration/VersionQualifier.java
@@ -0,0 +1,189 @@
+/*
+ * 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 com.android.ide.common.resources.configuration;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * Resource Qualifier for Platform Version.
+ */
+public final class VersionQualifier extends ResourceQualifier {
+ /** Default pixel density value. This means the property is not set. */
+ private final static int DEFAULT_VERSION = -1;
+
+ private final static Pattern sCountryCodePattern = Pattern.compile("^v(\\d+)$");//$NON-NLS-1$
+
+ private int mVersion = DEFAULT_VERSION;
+
+ public static final String NAME = "Platform Version";
+
+ /**
+ * 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 VersionQualifier} object or <code>null</code>
+ */
+ public static VersionQualifier getQualifier(String segment) {
+ Matcher m = sCountryCodePattern.matcher(segment);
+ if (m.matches()) {
+ String v = m.group(1);
+
+ int code = -1;
+ try {
+ code = Integer.parseInt(v);
+ } catch (NumberFormatException e) {
+ // looks like the string we extracted wasn't a valid number.
+ return null;
+ }
+
+ VersionQualifier qualifier = new VersionQualifier();
+ qualifier.mVersion = code;
+ return qualifier;
+ }
+
+ return null;
+ }
+
+ /**
+ * Returns the folder name segment for the given value. This is equivalent to calling
+ * {@link #toString()} on a {@link VersionQualifier} object.
+ * @param version the value of the qualifier, as returned by {@link #getVersion()}.
+ */
+ public static String getFolderSegment(int version) {
+ if (version != DEFAULT_VERSION) {
+ return String.format("v%1$d", version); //$NON-NLS-1$
+ }
+
+ return ""; //$NON-NLS-1$
+ }
+
+ public VersionQualifier(int apiLevel) {
+ mVersion = apiLevel;
+ }
+
+ public VersionQualifier() {
+ //pass
+ }
+
+ public int getVersion() {
+ return mVersion;
+ }
+
+ @Override
+ public String getName() {
+ return NAME;
+ }
+
+ @Override
+ public String getShortName() {
+ return "Version";
+ }
+
+ @Override
+ public boolean isValid() {
+ return mVersion != DEFAULT_VERSION;
+ }
+
+ @Override
+ public boolean hasFakeValue() {
+ return false;
+ }
+
+ @Override
+ public boolean checkAndSet(String value, FolderConfiguration config) {
+ VersionQualifier qualifier = getQualifier(value);
+ if (qualifier != null) {
+ config.setVersionQualifier(qualifier);
+ return true;
+ }
+
+ return false;
+ }
+
+ @Override
+ public boolean equals(Object qualifier) {
+ if (qualifier instanceof VersionQualifier) {
+ return mVersion == ((VersionQualifier)qualifier).mVersion;
+ }
+
+ return false;
+ }
+
+ @Override
+ public boolean isMatchFor(ResourceQualifier qualifier) {
+ if (qualifier instanceof VersionQualifier) {
+ // it is considered a match if the api level is equal or lower to the given qualifier
+ return mVersion <= ((VersionQualifier) qualifier).mVersion;
+ }
+
+ return false;
+ }
+
+ @Override
+ public boolean isBetterMatchThan(ResourceQualifier compareTo, ResourceQualifier reference) {
+ if (compareTo == null) {
+ return true;
+ }
+
+ VersionQualifier compareQ = (VersionQualifier)compareTo;
+ VersionQualifier referenceQ = (VersionQualifier)reference;
+
+ if (compareQ.mVersion == referenceQ.mVersion) {
+ // what we have is already the best possible match (exact match)
+ return false;
+ } else if (mVersion == referenceQ.mVersion) {
+ // got new exact value, this is the best!
+ return true;
+ } else {
+ // in all case we're going to prefer the higher version (since they have been filtered
+ // to not be too high
+ return mVersion > compareQ.mVersion;
+ }
+ }
+
+ @Override
+ public int hashCode() {
+ return mVersion;
+ }
+
+ /**
+ * Returns the string used to represent this qualifier in the folder name.
+ */
+ @Override
+ public String getFolderSegment() {
+ return getFolderSegment(mVersion);
+ }
+
+ @Override
+ public String getShortDisplayValue() {
+ if (mVersion != DEFAULT_VERSION) {
+ return String.format("API %1$d", mVersion);
+ }
+
+ return ""; //$NON-NLS-1$
+ }
+
+ @Override
+ public String getLongDisplayValue() {
+ if (mVersion != DEFAULT_VERSION) {
+ return String.format("API Level %1$d", mVersion);
+ }
+
+ return ""; //$NON-NLS-1$
+ }
+}