Lib java decompiler

lib-decompiler/build.gradle

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+apply plugin: 'com.android.library'
+
+android {
+    compileSdkVersion rootProject.ext.compileSdkVersion
+    buildToolsVersion rootProject.ext.buildToolsVersion
+
+    defaultConfig {
+        minSdkVersion rootProject.ext.minSdkVersion
+        targetSdkVersion rootProject.ext.targetSdkVersion
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+
+    compileOptions {
+        targetCompatibility 1.7
+        sourceCompatibility 1.7
+    }
+}
+dependencies {
+    testImplementation 'junit:junit:4.12'
+    testImplementation 'org.assertj:assertj-core:3.10.0'
+    api fileTree(dir: 'libs', include: ['*.jar'])
+}
+

lib-decompiler/src/main/AndroidManifest.xml

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+<manifest package="com.duy.ide.java.plugin.decompiler" />

lib-decompiler/src/main/java/com/duy/java8/util/DCollection.java

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+package com.duy.java8.util;
+
+import com.duy.java8.util.function.Predicate;
+
+import java.util.Iterator;
+
+public class DCollection {
+    public static <E> boolean removeIf(java.util.Collection<E> collection,
+                                       Predicate<? super E> filter) {
+        boolean removed = false;
+        final Iterator<E> each = collection.iterator();
+        while (each.hasNext()) {
+            if (filter.test(each.next())) {
+                each.remove();
+                removed = true;
+            }
+        }
+        return removed;
+    }
+}

lib-decompiler/src/main/java/com/duy/java8/util/DComparator.java

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+package com.duy.java8.util;
+
+import java.util.Comparator;
+
+public class DComparator {
+    public static <T> Comparator<T> thenComparing(final Comparator<? super T> first,
+                                                  final Comparator<? super T> second) {
+        return new Comparator<T>() {
+            @Override
+            public int compare(T c1, T c2) {
+                int res = first.compare(c1, c2);
+                return (res != 0) ? res : second.compare(c1, c2);
+            }
+        };
+    }
+}

lib-decompiler/src/main/java/com/duy/java8/util/DList.java

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+package com.duy.java8.util;
+
+import com.duy.java8.util.function.Consumer;
+import com.duy.java8.util.function.Predicate;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class DList {
+    public static <E> void forEach(List<E> list, Consumer<? super E> action) {
+        for (E e : list) {
+            action.accept(e);
+        }
+    }
+
+    public static <E> List<E> filter(List<E> input, Predicate<E> predicate) {
+        List<E> list = new ArrayList<>();
+        for (E e : input) {
+            if (predicate.test(e)) {
+                list.add(e);
+            }
+        }
+        return list;
+    }
+}

lib-decompiler/src/main/java/com/duy/java8/util/DMap.java

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+package com.duy.java8.util;
+
+import com.duy.java8.util.function.BiFunction;
+import com.duy.java8.util.function.Function;
+
+import java.util.Map;
+
+public class DMap {
+    public static <K, V> V putIfAbsent(Map<K, V> map, K key, V value) {
+        V v = map.get(key);
+        if (v == null) {
+            v = map.put(key, value);
+        }
+
+        return v;
+    }
+
+    public static <K, V> V computeIfAbsent(Map<K, V> map, K key,
+                                           Function<? super K, ? extends V> mappingFunction) {
+        V v;
+        if ((v = map.get(key)) == null) {
+            V newValue;
+            if ((newValue = mappingFunction.apply(key)) != null) {
+                map.put(key, newValue);
+                return newValue;
+            }
+        }
+
+        return v;
+    }
+
+    public static <K, V> V merge(Map<K, V> map, K key, V value,
+                                 BiFunction<? super V, ? super V, ? extends V> remappingFunction) {
+        V oldValue = map.get(key);
+        V newValue = (oldValue == null) ? value :
+                remappingFunction.apply(oldValue, value);
+        if (newValue == null) {
+            map.remove(key);
+        } else {
+            map.put(key, newValue);
+        }
+        return newValue;
+    }
+}

lib-decompiler/src/main/java/com/duy/java8/util/function/BiFunction.java

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+/*
+ * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.duy.java8.util.function;
+
+/**
+ * Represents a function that accepts two arguments and produces a result.
+ * This is the two-arity specialization of {@link com.duy.java8.util.function.Function}.
+ * <p>
+ * <p>This is a <a href="package-summary.html">functional interface</a>
+ * whose functional method is {@link #apply(Object, Object)}.
+ *
+ * @param <T> the type of the first argument to the function
+ * @param <U> the type of the second argument to the function
+ * @param <R> the type of the result of the function
+ * @see com.duy.java8.util.function.Function
+ */
+public interface BiFunction<T, U, R> {
+
+    /**
+     * Applies this function to the given arguments.
+     *
+     * @param t the first function argument
+     * @param u the second function argument
+     * @return the function result
+     */
+    R apply(T t, U u);
+
+}

lib-decompiler/src/main/java/com/duy/java8/util/function/BinaryOperator.java

@@ -0,0 +1,44 @@
+/*
+ * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.duy.java8.util.function;
+
+
+/**
+ * Represents an operation upon two operands of the same type, producing a result
+ * of the same type as the operands.  This is a specialization of
+ * {@link com.duy.java8.util.function.BiFunction} for the case where the operands and the result are all of
+ * the same type.
+ * <p>
+ * <p>This is a <a href="package-summary.html">functional interface</a>
+ * whose functional method is {@link #apply(Object, Object)}.
+ *
+ * @param <T> the type of the operands and result of the operator
+ * @see com.duy.java8.util.function.BiFunction
+ * @see UnaryOperator
+ */
+@FunctionalInterface
+public interface BinaryOperator<T> extends BiFunction<T, T, T> {
+
+}

lib-decompiler/src/main/java/com/duy/java8/util/function/Consumer.java

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+/*
+ * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.duy.java8.util.function;
+
+/**
+ * Represents an operation that accepts a single input argument and returns no
+ * result. Unlike most other functional interfaces, {@code Consumer} is expected
+ * to operate via side-effects.
+ * <p>
+ * <p>This is a <a href="package-summary.html">functional interface</a>
+ * whose functional method is {@link #accept(Object)}.
+ *
+ * @param <T> the type of the input to the operation
+ */
+public interface Consumer<T> {
+
+    /**
+     * Performs this operation on the given argument.
+     *
+     * @param t the input argument
+     */
+    void accept(T t);
+
+
+}

lib-decompiler/src/main/java/com/duy/java8/util/function/Function.java

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+/*
+ * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.duy.java8.util.function;
+
+/**
+ * Represents a function that accepts one argument and produces a result.
+ * <p>
+ * <p>This is a <a href="package-summary.html">functional interface</a>
+ * whose functional method is {@link #apply(Object)}.
+ *
+ * @param <T> the type of the input to the function
+ * @param <R> the type of the result of the function
+ */
+public interface Function<T, R> {
+
+    /**
+     * Applies this function to the given argument.
+     *
+     * @param t the function argument
+     * @return the function result
+     */
+    R apply(T t);
+
+
+}

lib-decompiler/src/main/java/com/duy/java8/util/function/Predicate.java

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+/*
+ * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.duy.java8.util.function;
+
+/**
+ * Represents a predicate (boolean-valued function) of one argument.
+ * <p>
+ * <p>This is a <a href="package-summary.html">functional interface</a>
+ * whose functional method is {@link #test(Object)}.
+ *
+ * @param <T> the type of the input to the predicate
+ */
+@FunctionalInterface
+public interface Predicate<T> {
+
+    /**
+     * Evaluates this predicate on the given argument.
+     *
+     * @param t the input argument
+     * @return {@code true} if the input argument matches the predicate,
+     * otherwise {@code false}
+     */
+    boolean test(T t);
+
+}