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https://github.com/Eaglercraft-TeaVM-Fork/eagler-teavm.git
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Adds java.util.AbstractMap, java.util.AbstractSet, java.util.Objects
This commit is contained in:
konsoletyper
parent
5c03e7547f
commit
03d5554e76
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@ -0,0 +1,275 @@
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/*
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* Copyright 2014 Alexey Andreev.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.teavm.classlib.java.util;
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import org.teavm.classlib.java.io.TSerializable;
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import org.teavm.classlib.java.lang.TObject;
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import org.teavm.classlib.java.lang.TUnsupportedOperationException;
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/**
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*
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* @author Alexey Andreev <konsoletyper@gmail.com>
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*/
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public abstract class TAbstractMap<K, V> extends TObject implements TMap<K, V> {
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public static class SimpleEntry<K, V> implements TMap.Entry<K, V>, TSerializable {
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private K key;
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private V value;
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public SimpleEntry(K key, V value) {
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this.key = key;
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this.value = value;
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}
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public SimpleEntry(TMap.Entry<? extends K,? extends V> entry) {
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this(entry.getKey(), entry.getValue());
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}
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@Override
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public V getValue() {
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return value;
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}
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@Override
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public V setValue(V value) {
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V old = this.value;
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this.value = value;
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return old;
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}
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@Override
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public K getKey() {
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return key;
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}
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@Override
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public boolean equals(Object obj) {
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if (!(obj instanceof TMap.Entry)) {
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return false;
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}
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TMap.Entry<?, ?> other = (TMap.Entry<?, ?>)obj;
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if (getKey() == null ? other.getKey() != null : !getKey().equals(other.getKey())) {
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return false;
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}
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return getValue() == null ? other.getValue() == null : getValue().equals(other.getValue());
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}
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@Override
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public int hashCode() {
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return (getKey() == null ? 0 : getKey().hashCode()) ^ (getValue() == null ? 0 : getValue().hashCode());
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}
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@Override
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public String toString() {
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return String.valueOf(getKey()) + "=" + String.valueOf(getValue());
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}
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}
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public static class SimpleImmutableEntry<K, V> implements TMap.Entry<K, V>, TSerializable {
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private K key;
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private V value;
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public SimpleImmutableEntry(K key, V value) {
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this.key = key;
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this.value = value;
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}
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public SimpleImmutableEntry(TMap.Entry<? extends K,? extends V> entry) {
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this(entry.getKey(), entry.getValue());
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}
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@Override
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public V getValue() {
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return value;
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}
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@Override
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public V setValue(V value) {
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throw new TUnsupportedOperationException();
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}
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@Override
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public K getKey() {
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return key;
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}
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@Override
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public boolean equals(Object obj) {
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if (!(obj instanceof TMap.Entry)) {
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return false;
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}
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TMap.Entry<?, ?> other = (TMap.Entry<?, ?>)obj;
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if (getKey() == null ? other.getKey() != null : !getKey().equals(other.getKey())) {
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return false;
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}
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return getValue() == null ? other.getValue() == null : getValue().equals(other.getValue());
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}
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@Override
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public int hashCode() {
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return (getKey() == null ? 0 : getKey().hashCode()) ^ (getValue() == null ? 0 : getValue().hashCode());
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}
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@Override
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public String toString() {
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return String.valueOf(getKey()) + "=" + String.valueOf(getValue());
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}
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}
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private KeySet cachedKeySet;
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private Values cachedValues;
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protected TAbstractMap() {
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}
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@Override
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public int size() {
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return entrySet().size();
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}
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@Override
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public boolean isEmpty() {
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return size() == 0;
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}
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@Override
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public boolean containsValue(Object value) {
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for (TIterator<TMap.Entry<K, V>> iter = entrySet().iterator(); iter.hasNext();) {
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V knownValue = iter.next().getValue();
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if (TObjects.equals(value, knownValue)) {
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return true;
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}
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}
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return false;
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}
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@Override
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public boolean containsKey(Object key) {
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for (TIterator<TMap.Entry<K, V>> iter = entrySet().iterator(); iter.hasNext();) {
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K knownKey = iter.next().getKey();
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if (TObjects.equals(key, knownKey)) {
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return true;
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}
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}
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return false;
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}
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@Override
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public V get(Object key) {
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for (TIterator<TMap.Entry<K, V>> iter = entrySet().iterator(); iter.hasNext();) {
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TMap.Entry<K, V> entry = iter.next();
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if (TObjects.equals(key, entry.getKey())) {
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return entry.getValue();
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}
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}
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return null;
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}
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@Override
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public V put(K key, V value) {
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throw new TUnsupportedOperationException();
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}
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@Override
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public void putAll(TMap<? extends K,? extends V> m) {
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for (TIterator<? extends TMap.Entry<? extends K, ? extends V>> iter = m.entrySet().iterator();
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iter.hasNext();) {
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TMap.Entry<? extends K, ? extends V> entry = iter.next();
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put(entry.getKey(), entry.getValue());
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}
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}
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@Override
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public V remove(Object key) {
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for (TIterator<TMap.Entry<K, V>> iter = entrySet().iterator(); iter.hasNext();) {
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TMap.Entry<K, V> entry = iter.next();
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if (TObjects.equals(key, entry.getKey())) {
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iter.remove();
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return entry.getValue();
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}
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}
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return null;
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}
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@Override
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public abstract TSet<TMap.Entry<K,V>> entrySet();
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@Override
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public void clear() {
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entrySet().clear();
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}
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@Override
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public TSet<K> keySet() {
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if (cachedKeySet == null) {
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cachedKeySet = new KeySet();
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}
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return cachedKeySet;
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}
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@Override
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public TCollection<V> values() {
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if (cachedValues == null) {
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cachedValues = new Values();
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}
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return cachedValues;
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}
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private class KeySet extends TAbstractSet<K> {
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@Override
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public TIterator<K> iterator() {
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final TIterator<TMap.Entry<K, V>> iter = TAbstractMap.this.entrySet().iterator();
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return new TIterator<K>() {
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@Override public boolean hasNext() {
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return iter.hasNext();
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}
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@Override public K next() {
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return iter.next().getKey();
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}
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@Override public void remove() {
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iter.remove();
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}
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};
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}
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@Override
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public int size() {
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return TAbstractMap.this.size();
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}
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}
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private class Values extends TAbstractCollection<V> {
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@Override
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public int size() {
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return TAbstractMap.this.size();
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}
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@Override
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public TIterator<V> iterator() {
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final TIterator<TMap.Entry<K, V>> iter = TAbstractMap.this.entrySet().iterator();
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return new TIterator<V>() {
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@Override public boolean hasNext() {
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return iter.hasNext();
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}
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@Override public V next() {
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return iter.next().getValue();
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}
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@Override public void remove() {
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iter.remove();
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}
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};
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}
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}
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}
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@ -0,0 +1,47 @@
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/*
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* Copyright 2014 Alexey Andreev.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.teavm.classlib.java.util;
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/**
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*
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* @author Alexey Andreev <konsoletyper@gmail.com>
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*/
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public abstract class TAbstractSet<E> extends TAbstractCollection<E> implements TSet<E> {
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public TAbstractSet() {
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super();
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}
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@Override
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public boolean removeAll(TCollection<?> c) {
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boolean modified = false;
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if (size() < c.size()) {
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for (TIterator<E> iter = iterator(); iter.hasNext();) {
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E elem = iter.next();
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if (c.contains(elem)) {
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modified = true;
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iter.remove();
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}
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}
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} else {
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for (TIterator<?> iter = c.iterator(); iter.hasNext();) {
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if (remove(iter.next())) {
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modified = true;
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}
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}
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}
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return modified;
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}
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}
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@ -15,8 +15,6 @@
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*/
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package org.teavm.classlib.java.util;
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import org.teavm.classlib.java.lang.TObject;
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/**
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*
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* @author Alexey Andreev <konsoletyper@gmail.com>
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@ -34,15 +32,15 @@ public interface TMap<K, V> {
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boolean isEmpty();
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boolean containsKey(TObject key);
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boolean containsKey(Object key);
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boolean containsValue(TObject value);
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boolean containsValue(Object value);
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V get(TObject key);
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V get(Object key);
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V put(K key, V value);
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V remove(TObject key);
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V remove(Object key);
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void putAll(TMap<? extends K,? extends V> m);
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@ -0,0 +1,58 @@
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/*
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* Copyright 2014 Alexey Andreev.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.teavm.classlib.java.util;
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import org.teavm.classlib.java.lang.TObject;
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/**
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*
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* @author Alexey Andreev <konsoletyper@gmail.com>
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*/
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public final class TObjects extends TObject {
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public static boolean equals(Object a, Object b) {
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if (a == b) {
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return true;
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}
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return a == null ? b == null : a.equals(b);
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}
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public static int hashCode(Object o) {
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return o == null ? 0 : o.hashCode();
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}
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public static String toString(Object o) {
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return toString(o, "null");
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}
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public static String toString(Object o, String nullDefault) {
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return o != null ? o.toString() : nullDefault;
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}
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public static <T> int compare(T a, T b, TComparator<? super T> c) {
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return a == null && b == null ? 0 : c.compare(a, b);
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}
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public static <T> T requireNonNull(T obj) {
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return requireNonNull(obj, "");
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}
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public static <T> T requireNonNull(T obj, String message) {
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if (obj == null) {
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throw new NullPointerException(message);
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}
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return obj;
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}
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}
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