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/*
* Copyright (C) 2007 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.dx.cf.attrib;
import com.android.dx.rop.type.TypeList;
import com.android.dx.util.MutabilityException;
/**
* Attribute class for standard {@code Exceptions} attributes.
*/
public final class AttExceptions extends BaseAttribute {
/** {@code non-null;} attribute name for attributes of this type */
public static final String ATTRIBUTE_NAME = "Exceptions";
/** {@code non-null;} list of exception classes */
private final TypeList exceptions;
/**
* Constructs an instance.
*
* @param exceptions {@code non-null;} list of classes, presumed but not
* verified to be subclasses of {@code Throwable}
*/
public AttExceptions(TypeList exceptions) {
super(ATTRIBUTE_NAME);
try {
if (exceptions.isMutable()) {
throw new MutabilityException("exceptions.isMutable()");
}
} catch (NullPointerException ex) {
// Translate the exception.
throw new NullPointerException("exceptions == null");
}
this.exceptions = exceptions;
}
/** {@inheritDoc} */
public int byteLength() {
return 8 + exceptions.size() * 2;
}
/**
* Gets the list of classes associated with this instance. In
* general, these classes are not pre-verified to be subclasses of
* {@code Throwable}.
*
* @return {@code non-null;} the list of classes
*/
public TypeList getExceptions() {
return exceptions;
}
}
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