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Add some useful JDK classes

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This commit is contained in:
Alexey Andreev 2017-11-16 15:47:10 +03:00
parent e96df3ef7e
commit 07f946e710
3 changed files with 121 additions and 0 deletions
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23
classlib/src/main/java/org/teavm/classlib/java/util/TEmptyStackException.java Normal file
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@ -0,0 +1,23 @@
/*
* Copyright 2017 Alexey Andreev.
*
* 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 org.teavm.classlib.java.util;
public class TEmptyStackException extends RuntimeException {
public TEmptyStackException() {
super();
}
}

26
classlib/src/main/java/org/teavm/classlib/java/util/TServiceConfigurationError.java Normal file
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/*
* Copyright 2017 Alexey Andreev.
*
* 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 org.teavm.classlib.java.util;
public class TServiceConfigurationError extends Error {
public TServiceConfigurationError(String message) {
super(message);
}
public TServiceConfigurationError(String message, Throwable cause) {
super(message, cause);
}
}

72
classlib/src/main/java/org/teavm/classlib/java/util/TStack.java Normal file
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/*
* Copyright 2017 Alexey Andreev.
*
* 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 org.teavm.classlib.java.util;
public class TStack<E> extends TVector<E> {
public TStack() {
super();
}
public boolean empty() {
return isEmpty();
}
@SuppressWarnings("unchecked")
public synchronized E peek() {
try {
return (E) elementData[elementCount - 1];
} catch (IndexOutOfBoundsException e) {
throw new TEmptyStackException();
}
}
@SuppressWarnings("unchecked")
public synchronized E pop() {
if (elementCount == 0) {
throw new TEmptyStackException();
}
final int index = --elementCount;
final E obj = (E) elementData[index];
elementData[index] = null;
modCount++;
return obj;
}
public E push(E object) {
addElement(object);
return object;
}
public synchronized int search(Object o) {
final Object[] dumpArray = elementData;
final int size = elementCount;
if (o != null) {
for (int i = size - 1; i >= 0; i--) {
if (o.equals(dumpArray[i])) {
return size - i;
}
}
} else {
for (int i = size - 1; i >= 0; i--) {
if (dumpArray[i] == null) {
return size - i;
}
}
}
return -1;
}
}