├── settings.gradle ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── .gitignore ├── README.md ├── .github └── workflows │ └── build.yml ├── src ├── test │ └── kotlin │ │ └── io │ │ └── michaelrocks │ │ └── bimap │ │ ├── AbstractBiMapTest.kt │ │ └── HashBiMapTest.kt └── main │ └── kotlin │ └── io │ └── michaelrocks │ └── bimap │ └── BiMap.kt ├── gradlew.bat ├── gradlew └── LICENSE /settings.gradle: -------------------------------------------------------------------------------- 1 | rootProject.name = 'bimap' 2 | 3 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/MichaelRocks/bimap/HEAD/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionBase=GRADLE_USER_HOME 2 | distributionPath=wrapper/dists 3 | distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-all.zip 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | build/ 2 | 3 | # Package Files # 4 | *.jar 5 | *.war 6 | *.ear 7 | 8 | # virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml 9 | hs_err_pid* 10 | 11 | # Gradle wrapper 12 | .gradle 13 | !gradle/wrapper/* 14 | 15 | # IntelliJ IDEA 16 | .idea 17 | *.iml 18 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | BiMap 2 | ===== 3 | 4 | A bi-directional map implementation in Kotlin. 5 | 6 | Download 7 | -------- 8 | Gradle: 9 | ```groovy 10 | repositories { 11 | mavenCentral() 12 | } 13 | 14 | dependencies { 15 | implementation 'io.michaelrocks.bimap:bimap:1.1.0' 16 | } 17 | ``` 18 | 19 | License 20 | ======= 21 | Copyright 2021 Michael Rozumyanskiy 22 | 23 | Licensed under the Apache License, Version 2.0 (the "License"); 24 | you may not use this file except in compliance with the License. 25 | You may obtain a copy of the License at 26 | 27 | http://www.apache.org/licenses/LICENSE-2.0 28 | 29 | Unless required by applicable law or agreed to in writing, software 30 | distributed under the License is distributed on an "AS IS" BASIS, 31 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 32 | See the License for the specific language governing permissions and 33 | limitations under the License. 34 | -------------------------------------------------------------------------------- /.github/workflows/build.yml: -------------------------------------------------------------------------------- 1 | name: build 2 | 3 | on: [push, pull_request] 4 | 5 | env: 6 | GRADLE_OPTS: "-Dorg.gradle.jvmargs=-Xmx4g -Dorg.gradle.daemon=false -Dkotlin.incremental=false" 7 | 8 | jobs: 9 | build: 10 | runs-on: ubuntu-latest 11 | 12 | steps: 13 | - name: Checkout 14 | uses: actions/checkout@v2 15 | 16 | - name: Validate Gradle Wrapper 17 | uses: gradle/wrapper-validation-action@v1 18 | 19 | - name: Configure JDK 20 | uses: actions/setup-java@v1 21 | with: 22 | java-version: 8 23 | 24 | - name: Test 25 | run: ./gradlew build 26 | 27 | publish: 28 | runs-on: ubuntu-latest 29 | if: contains(github.ref, '/tags/v') 30 | needs: 31 | - build 32 | 33 | steps: 34 | - name: Checkout 35 | uses: actions/checkout@v2 36 | 37 | - name: Configure JDK 38 | uses: actions/setup-java@v1 39 | with: 40 | java-version: 8 41 | 42 | - name: Upload Artifacts 43 | run: | 44 | ./gradlew publishMavenPublicationToSonatypeRepository \ 45 | -Ppablo.repository.maven.name=Sonatype \ 46 | -Ppablo.repository.maven.url=https://s01.oss.sonatype.org/service/local/staging/deploy/maven2/ \ 47 | -Ppablo.repository.maven.username=${{ secrets.SONATYPE_USERNAME }} \ 48 | -Ppablo.repository.maven.password=${{ secrets.SONATYPE_PASSWORD }} \ 49 | -Ppablo.signing.keyId=${{ secrets.SIGNING_KEY_ID }} \ 50 | -Ppablo.signing.password=${{ secrets.SIGNING_PASSWORD }} \ 51 | -Ppablo.signing.secretKey='${{ secrets.SIGNING_SECRET_KEY }}' 52 | -------------------------------------------------------------------------------- /src/test/kotlin/io/michaelrocks/bimap/AbstractBiMapTest.kt: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (C) 2012 The Guava Authors 3 | * Copyright 2016 Michael Rozumyanskiy 4 | * 5 | * Licensed under the Apache License, Version 2.0 (the "License"); 6 | * you may not use this file except in compliance with the License. 7 | * You may obtain a copy of the License at 8 | * 9 | * http://www.apache.org/licenses/LICENSE-2.0 10 | * 11 | * Unless required by applicable law or agreed to in writing, software 12 | * distributed under the License is distributed on an "AS IS" BASIS, 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 | * See the License for the specific language governing permissions and 15 | * limitations under the License. 16 | */ 17 | 18 | package io.michaelrocks.bimap 19 | 20 | import java.util.IdentityHashMap 21 | import kotlin.test.Test 22 | import kotlin.test.assertEquals 23 | 24 | class AbstractBiMapTest { 25 | @Test 26 | fun testIdentityKeySetIteratorRemove() { 27 | val bimap = object : AbstractBiMap(IdentityHashMap(), IdentityHashMap()) {} 28 | bimap[1] = "one" 29 | bimap[2] = "two" 30 | bimap[3] = "three" 31 | val iterator = bimap.keys.iterator() 32 | iterator.next() 33 | iterator.next() 34 | iterator.remove() 35 | iterator.next() 36 | iterator.remove() 37 | assertEquals(1, bimap.size.toLong()) 38 | assertEquals(1, bimap.inverse.size.toLong()) 39 | } 40 | 41 | @Test 42 | fun testIdentityEntrySetIteratorRemove() { 43 | val bimap = object : AbstractBiMap(IdentityHashMap(), IdentityHashMap()) {} 44 | bimap[1] = "one" 45 | bimap[2] = "two" 46 | bimap[3] = "three" 47 | val iterator = bimap.entries.iterator() 48 | iterator.next() 49 | iterator.next() 50 | iterator.remove() 51 | iterator.next() 52 | iterator.remove() 53 | assertEquals(1, bimap.size) 54 | assertEquals(1, bimap.inverse.size) 55 | } 56 | } 57 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @rem 2 | @rem Copyright 2015 the original author or authors. 3 | @rem 4 | @rem Licensed under the Apache License, Version 2.0 (the "License"); 5 | @rem you may not use this file except in compliance with the License. 6 | @rem You may obtain a copy of the License at 7 | @rem 8 | @rem https://www.apache.org/licenses/LICENSE-2.0 9 | @rem 10 | @rem Unless required by applicable law or agreed to in writing, software 11 | @rem distributed under the License is distributed on an "AS IS" BASIS, 12 | @rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | @rem See the License for the specific language governing permissions and 14 | @rem limitations under the License. 15 | @rem 16 | 17 | @if "%DEBUG%" == "" @echo off 18 | @rem ########################################################################## 19 | @rem 20 | @rem Gradle startup script for Windows 21 | @rem 22 | @rem ########################################################################## 23 | 24 | @rem Set local scope for the variables with windows NT shell 25 | if "%OS%"=="Windows_NT" setlocal 26 | 27 | set DIRNAME=%~dp0 28 | if "%DIRNAME%" == "" set DIRNAME=. 29 | set APP_BASE_NAME=%~n0 30 | set APP_HOME=%DIRNAME% 31 | 32 | @rem Resolve any "." and ".." in APP_HOME to make it shorter. 33 | for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi 34 | 35 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 36 | set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" 37 | 38 | @rem Find java.exe 39 | if defined JAVA_HOME goto findJavaFromJavaHome 40 | 41 | set JAVA_EXE=java.exe 42 | %JAVA_EXE% -version >NUL 2>&1 43 | if "%ERRORLEVEL%" == "0" goto execute 44 | 45 | echo. 46 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 47 | echo. 48 | echo Please set the JAVA_HOME variable in your environment to match the 49 | echo location of your Java installation. 50 | 51 | goto fail 52 | 53 | :findJavaFromJavaHome 54 | set JAVA_HOME=%JAVA_HOME:"=% 55 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 56 | 57 | if exist "%JAVA_EXE%" goto execute 58 | 59 | echo. 60 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 61 | echo. 62 | echo Please set the JAVA_HOME variable in your environment to match the 63 | echo location of your Java installation. 64 | 65 | goto fail 66 | 67 | :execute 68 | @rem Setup the command line 69 | 70 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 71 | 72 | 73 | @rem Execute Gradle 74 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* 75 | 76 | :end 77 | @rem End local scope for the variables with windows NT shell 78 | if "%ERRORLEVEL%"=="0" goto mainEnd 79 | 80 | :fail 81 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 82 | rem the _cmd.exe /c_ return code! 83 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 84 | exit /b 1 85 | 86 | :mainEnd 87 | if "%OS%"=="Windows_NT" endlocal 88 | 89 | :omega 90 | -------------------------------------------------------------------------------- /src/test/kotlin/io/michaelrocks/bimap/HashBiMapTest.kt: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright (C) 2007 The Guava Authors 3 | * Copyright 2016 Michael Rozumyanskiy 4 | * 5 | * Licensed under the Apache License, Version 2.0 (the "License"); 6 | * you may not use this file except in compliance with the License. 7 | * You may obtain a copy of the License at 8 | * 9 | * http://www.apache.org/licenses/LICENSE-2.0 10 | * 11 | * Unless required by applicable law or agreed to in writing, software 12 | * distributed under the License is distributed on an "AS IS" BASIS, 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 | * See the License for the specific language governing permissions and 15 | * limitations under the License. 16 | */ 17 | 18 | package io.michaelrocks.bimap 19 | 20 | import kotlin.test.Test 21 | import kotlin.test.assertEquals 22 | import kotlin.test.assertNull 23 | import kotlin.test.assertTrue 24 | 25 | class HashBiMapTest { 26 | @Test 27 | fun testMapConstructor() { 28 | /* Test with non-empty Map. */ 29 | val map = mapOf( 30 | "canada" to "dollar", 31 | "chile" to "peso", 32 | "switzerland" to "franc" 33 | ) 34 | val bimap = HashBiMap.create(map) 35 | assertEquals("dollar", bimap["canada"]) 36 | assertEquals("canada", bimap.inverse["dollar"]) 37 | } 38 | 39 | @Test 40 | fun testBashIt() { 41 | val bimap = HashBiMap(N) 42 | val inverse = bimap.inverse 43 | 44 | repeat(N) { i -> 45 | assertNull(bimap.put(2 * i, 2 * i + 1)) 46 | } 47 | repeat(N) { i -> 48 | assertEquals((2 * i + 1).toLong(), (bimap[2 * i] as Int).toLong()) 49 | } 50 | repeat(N) { i -> 51 | assertEquals((2 * i).toLong(), (inverse[2 * i + 1] as Int).toLong()) 52 | } 53 | repeat(N) { i -> 54 | val oldValue = bimap[2 * i]!! 55 | assertEquals((2 * i + 1).toLong(), (bimap.put(2 * i, oldValue - 2) as Int).toLong()) 56 | } 57 | repeat(N) { i -> 58 | assertEquals((2 * i - 1).toLong(), (bimap[2 * i] as Int).toLong()) 59 | } 60 | repeat(N) { i -> 61 | assertEquals((2 * i).toLong(), (inverse[2 * i - 1] as Int).toLong()) 62 | } 63 | val entries = bimap.entries 64 | for (entry in entries) { 65 | entry.setValue(entry.value + 2 * N) 66 | } 67 | repeat(N) { i -> 68 | assertEquals((2 * N + 2 * i - 1).toLong(), (bimap[2 * i] as Int).toLong()) 69 | } 70 | } 71 | 72 | @Test 73 | fun testBiMapEntrySetIteratorRemove() { 74 | val map = HashBiMap() 75 | map[1] = "one" 76 | val entries = map.entries 77 | val iterator = entries.iterator() 78 | val entry = iterator.next() 79 | entry.setValue("two") // changes the iterator's current entry value 80 | assertEquals("two", map[1]) 81 | assertEquals(Integer.valueOf(1), map.inverse["two"]) 82 | iterator.remove() // removes the updated entry 83 | assertTrue(map.isEmpty()) 84 | } 85 | 86 | @Test 87 | fun testInsertionOrder() { 88 | val map = HashBiMap() 89 | map["foo"] = 1 90 | map["bar"] = 2 91 | map["quux"] = 3 92 | assertContainsExactly(map.entries, "foo" to 1, "bar" to 2, "quux" to 3) 93 | } 94 | 95 | @Test 96 | fun testInsertionOrderAfterRemoveFirst() { 97 | val map = HashBiMap() 98 | map["foo"] = 1 99 | map["bar"] = 2 100 | map["quux"] = 3 101 | 102 | map.remove("foo") 103 | assertContainsExactly(map.entries, "bar" to 2, "quux" to 3) 104 | } 105 | 106 | @Test 107 | fun testInsertionOrderAfterRemoveMiddle() { 108 | val map = HashBiMap() 109 | map["foo"] = 1 110 | map["bar"] = 2 111 | map["quux"] = 3 112 | 113 | map.remove("bar") 114 | assertContainsExactly(map.entries, "foo" to 1, "quux" to 3) 115 | } 116 | 117 | @Test 118 | fun testInsertionOrderAfterRemoveLast() { 119 | val map = HashBiMap() 120 | map["foo"] = 1 121 | map["bar"] = 2 122 | map["quux"] = 3 123 | 124 | map.remove("quux") 125 | assertContainsExactly(map.entries, "foo" to 1, "bar" to 2) 126 | } 127 | 128 | @Test 129 | fun testInsertionOrderAfterForcePut() { 130 | val map = HashBiMap() 131 | map["foo"] = 1 132 | map["bar"] = 2 133 | map["quux"] = 3 134 | 135 | map.forcePut("quux", 1) 136 | assertContainsExactly(map.entries, "bar" to 2, "quux" to 1) 137 | } 138 | 139 | @Test 140 | fun testInsertionOrderAfterInverseForcePut() { 141 | val map = HashBiMap() 142 | map["foo"] = 1 143 | map["bar"] = 2 144 | map["quux"] = 3 145 | 146 | map.inverse.forcePut(1, "quux") 147 | assertContainsExactly(map.entries, "bar" to 2, "quux" to 1) 148 | } 149 | 150 | @Test 151 | fun testInverseInsertionOrderAfterInverseForcePut() { 152 | val map = HashBiMap() 153 | map["foo"] = 1 154 | map["bar"] = 2 155 | map["quux"] = 3 156 | 157 | map.inverse.forcePut(1, "quux") 158 | assertContainsExactly(map.inverse.entries, 2 to "bar", 1 to "quux") 159 | } 160 | 161 | @Test 162 | fun testInverseEntrySetValue() { 163 | val map = HashBiMap() 164 | map[1] = "one" 165 | val inverseEntry = map.inverse.entries.first() 166 | inverseEntry.setValue(2) 167 | assertEquals(Integer.valueOf(2), inverseEntry.value) 168 | } 169 | 170 | private fun assertContainsExactly(collection: Collection>, vararg pairs: Pair) { 171 | val map = mapOf(*pairs) 172 | assertEquals(pairs.size, collection.size) 173 | for ((key, value) in collection) { 174 | assertEquals(value, map[key]) 175 | } 176 | } 177 | 178 | companion object { 179 | private const val N = 1000 180 | } 181 | } 182 | -------------------------------------------------------------------------------- /src/main/kotlin/io/michaelrocks/bimap/BiMap.kt: -------------------------------------------------------------------------------- 1 | /* 2 | * Copyright 2016 Michael Rozumyanskiy 3 | * 4 | * Licensed under the Apache License, Version 2.0 (the "License"); 5 | * you may not use this file except in compliance with the License. 6 | * You may obtain a copy of the License at 7 | * 8 | * http://www.apache.org/licenses/LICENSE-2.0 9 | * 10 | * Unless required by applicable law or agreed to in writing, software 11 | * distributed under the License is distributed on an "AS IS" BASIS, 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 | * See the License for the specific language governing permissions and 14 | * limitations under the License. 15 | */ 16 | 17 | package io.michaelrocks.bimap 18 | 19 | interface BiMap : Map { 20 | override val values: Set 21 | val inverse: BiMap 22 | } 23 | 24 | interface MutableBiMap : BiMap, MutableMap { 25 | override val values: MutableSet 26 | override val inverse: MutableBiMap 27 | 28 | fun forcePut(key: K, value: V): V? 29 | } 30 | 31 | abstract class AbstractBiMap protected constructor( 32 | private val direct: MutableMap, 33 | private val reverse: MutableMap 34 | ) : MutableBiMap { 35 | override val size: Int 36 | get() = direct.size 37 | 38 | override val inverse: MutableBiMap by lazy { 39 | object : AbstractBiMap(reverse, direct) { 40 | override val inverse: MutableBiMap 41 | get() = this@AbstractBiMap 42 | } 43 | } 44 | 45 | override val entries: MutableSet> by lazy { 46 | BiMapSet(direct.entries, { it.key }, { BiMapEntry(it) }) 47 | } 48 | override val keys: MutableSet by lazy { 49 | BiMapSet(direct.keys, { it }, { it }) 50 | } 51 | override val values: MutableSet 52 | get() = inverse.keys 53 | 54 | constructor() : this(HashMap(), HashMap()) 55 | 56 | override fun forcePut(key: K, value: V): V? { 57 | val oldValue = direct.put(key, value) 58 | oldValue?.let { reverse.remove(it) } 59 | val oldKey = reverse.put(value, key) 60 | oldKey?.let { direct.remove(it) } 61 | return oldValue 62 | } 63 | 64 | override fun put(key: K, value: V): V? { 65 | require(value !in reverse) { "BiMap already contains value $value" } 66 | return forcePut(key, value) 67 | } 68 | 69 | override fun putAll(from: Map) { 70 | from.values.forEach { value -> 71 | require(value !in reverse) { "BiMap already contains value $value" } 72 | } 73 | from.entries.forEach { forcePut(it.key, it.value) } 74 | } 75 | 76 | override fun remove(key: K): V? { 77 | val oldValue = direct.remove(key) 78 | oldValue?.let { reverse.remove(it) } 79 | return oldValue 80 | } 81 | 82 | override fun clear() { 83 | direct.clear() 84 | reverse.clear() 85 | } 86 | 87 | override fun get(key: K): V? { 88 | return direct[key] 89 | } 90 | 91 | override fun containsKey(key: K): Boolean { 92 | return key in direct 93 | } 94 | 95 | override fun containsValue(value: V): Boolean { 96 | return value in reverse 97 | } 98 | 99 | override fun isEmpty(): Boolean { 100 | return direct.isEmpty() 101 | } 102 | 103 | private inner class BiMapSet( 104 | private val elements: MutableSet, 105 | private val keyGetter: (T) -> K, 106 | private val elementWrapper: (T) -> T 107 | ) : MutableSet by elements { 108 | override fun remove(element: T): Boolean { 109 | if (element !in this) { 110 | return false 111 | } 112 | 113 | val key = keyGetter(element) 114 | val value = direct.remove(key) ?: return false 115 | try { 116 | reverse.remove(value) 117 | } catch (throwable: Throwable) { 118 | direct[key] = value 119 | throw throwable 120 | } 121 | return true 122 | } 123 | 124 | override fun clear() { 125 | direct.clear() 126 | reverse.clear() 127 | } 128 | 129 | override fun iterator(): MutableIterator { 130 | val iterator = elements.iterator() 131 | return BiMapSetIterator(iterator, keyGetter, elementWrapper) 132 | } 133 | } 134 | 135 | private inner class BiMapSetIterator( 136 | private val iterator: MutableIterator, 137 | private val keyGetter: (T) -> K, 138 | private val elementWrapper: (T) -> T 139 | ) : MutableIterator { 140 | private var last: T? = null 141 | 142 | override fun hasNext(): Boolean { 143 | return iterator.hasNext() 144 | } 145 | 146 | override fun next(): T { 147 | val element = iterator.next().apply { 148 | last = this 149 | } 150 | return elementWrapper(element) 151 | } 152 | 153 | override fun remove() { 154 | checkNotNull(last) { "Move to an element before removing it" } 155 | try { 156 | val key = keyGetter(last!!) 157 | val value = direct[key] ?: error("BiMap doesn't contain key $key ") 158 | reverse.remove(value) 159 | try { 160 | iterator.remove() 161 | } catch (throwable: Throwable) { 162 | reverse[value] = key 163 | throw throwable 164 | } 165 | } finally { 166 | last = null 167 | } 168 | } 169 | } 170 | 171 | private inner class BiMapEntry( 172 | private val entry: MutableMap.MutableEntry 173 | ) : MutableMap.MutableEntry by entry { 174 | override fun setValue(newValue: V): V { 175 | if (entry.value == newValue) { 176 | reverse[newValue] = entry.key 177 | try { 178 | return entry.setValue(newValue) 179 | } catch (throwable: Throwable) { 180 | reverse[entry.value] = entry.key 181 | throw throwable 182 | } 183 | } else { 184 | check(newValue !in reverse) { "BiMap already contains value $newValue" } 185 | reverse[newValue] = entry.key 186 | try { 187 | return entry.setValue(newValue) 188 | } catch (throwable: Throwable) { 189 | reverse.remove(newValue) 190 | throw throwable 191 | } 192 | } 193 | } 194 | } 195 | } 196 | 197 | class HashBiMap(capacity: Int = 16) : AbstractBiMap(HashMap(capacity), HashMap(capacity)) { 198 | companion object { 199 | fun create(map: Map): HashBiMap { 200 | val bimap = HashBiMap() 201 | bimap.putAll(map) 202 | return bimap 203 | } 204 | } 205 | } 206 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env sh 2 | 3 | # 4 | # Copyright 2015 the original author or authors. 5 | # 6 | # Licensed under the Apache License, Version 2.0 (the "License"); 7 | # you may not use this file except in compliance with the License. 8 | # You may obtain a copy of the License at 9 | # 10 | # https://www.apache.org/licenses/LICENSE-2.0 11 | # 12 | # Unless required by applicable law or agreed to in writing, software 13 | # distributed under the License is distributed on an "AS IS" BASIS, 14 | # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 | # See the License for the specific language governing permissions and 16 | # limitations under the License. 17 | # 18 | 19 | ############################################################################## 20 | ## 21 | ## Gradle start up script for UN*X 22 | ## 23 | ############################################################################## 24 | 25 | # Attempt to set APP_HOME 26 | # Resolve links: $0 may be a link 27 | PRG="$0" 28 | # Need this for relative symlinks. 29 | while [ -h "$PRG" ] ; do 30 | ls=`ls -ld "$PRG"` 31 | link=`expr "$ls" : '.*-> \(.*\)$'` 32 | if expr "$link" : '/.*' > /dev/null; then 33 | PRG="$link" 34 | else 35 | PRG=`dirname "$PRG"`"/$link" 36 | fi 37 | done 38 | SAVED="`pwd`" 39 | cd "`dirname \"$PRG\"`/" >/dev/null 40 | APP_HOME="`pwd -P`" 41 | cd "$SAVED" >/dev/null 42 | 43 | APP_NAME="Gradle" 44 | APP_BASE_NAME=`basename "$0"` 45 | 46 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 47 | DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' 48 | 49 | # Use the maximum available, or set MAX_FD != -1 to use that value. 50 | MAX_FD="maximum" 51 | 52 | warn () { 53 | echo "$*" 54 | } 55 | 56 | die () { 57 | echo 58 | echo "$*" 59 | echo 60 | exit 1 61 | } 62 | 63 | # OS specific support (must be 'true' or 'false'). 64 | cygwin=false 65 | msys=false 66 | darwin=false 67 | nonstop=false 68 | case "`uname`" in 69 | CYGWIN* ) 70 | cygwin=true 71 | ;; 72 | Darwin* ) 73 | darwin=true 74 | ;; 75 | MINGW* ) 76 | msys=true 77 | ;; 78 | NONSTOP* ) 79 | nonstop=true 80 | ;; 81 | esac 82 | 83 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 84 | 85 | 86 | # Determine the Java command to use to start the JVM. 87 | if [ -n "$JAVA_HOME" ] ; then 88 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 89 | # IBM's JDK on AIX uses strange locations for the executables 90 | JAVACMD="$JAVA_HOME/jre/sh/java" 91 | else 92 | JAVACMD="$JAVA_HOME/bin/java" 93 | fi 94 | if [ ! -x "$JAVACMD" ] ; then 95 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 96 | 97 | Please set the JAVA_HOME variable in your environment to match the 98 | location of your Java installation." 99 | fi 100 | else 101 | JAVACMD="java" 102 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 103 | 104 | Please set the JAVA_HOME variable in your environment to match the 105 | location of your Java installation." 106 | fi 107 | 108 | # Increase the maximum file descriptors if we can. 109 | if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then 110 | MAX_FD_LIMIT=`ulimit -H -n` 111 | if [ $? -eq 0 ] ; then 112 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 113 | MAX_FD="$MAX_FD_LIMIT" 114 | fi 115 | ulimit -n $MAX_FD 116 | if [ $? -ne 0 ] ; then 117 | warn "Could not set maximum file descriptor limit: $MAX_FD" 118 | fi 119 | else 120 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 121 | fi 122 | fi 123 | 124 | # For Darwin, add options to specify how the application appears in the dock 125 | if $darwin; then 126 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 127 | fi 128 | 129 | # For Cygwin or MSYS, switch paths to Windows format before running java 130 | if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then 131 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 132 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 133 | 134 | JAVACMD=`cygpath --unix "$JAVACMD"` 135 | 136 | # We build the pattern for arguments to be converted via cygpath 137 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 138 | SEP="" 139 | for dir in $ROOTDIRSRAW ; do 140 | ROOTDIRS="$ROOTDIRS$SEP$dir" 141 | SEP="|" 142 | done 143 | OURCYGPATTERN="(^($ROOTDIRS))" 144 | # Add a user-defined pattern to the cygpath arguments 145 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 146 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 147 | fi 148 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 149 | i=0 150 | for arg in "$@" ; do 151 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 152 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 153 | 154 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 155 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 156 | else 157 | eval `echo args$i`="\"$arg\"" 158 | fi 159 | i=`expr $i + 1` 160 | done 161 | case $i in 162 | 0) set -- ;; 163 | 1) set -- "$args0" ;; 164 | 2) set -- "$args0" "$args1" ;; 165 | 3) set -- "$args0" "$args1" "$args2" ;; 166 | 4) set -- "$args0" "$args1" "$args2" "$args3" ;; 167 | 5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 168 | 6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 169 | 7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 170 | 8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 171 | 9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 172 | esac 173 | fi 174 | 175 | # Escape application args 176 | save () { 177 | for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done 178 | echo " " 179 | } 180 | APP_ARGS=`save "$@"` 181 | 182 | # Collect all arguments for the java command, following the shell quoting and substitution rules 183 | eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS" 184 | 185 | exec "$JAVACMD" "$@" 186 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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