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/*
* Copyright 2003-2013 Dave Griffith, Bas Leijdekkers
*
* 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.siyeh.ipp.forloop;
import com.intellij.psi.*;
import com.intellij.psi.tree.IElementType;
import com.intellij.psi.util.InheritanceUtil;
import com.siyeh.ipp.base.PsiElementPredicate;
import com.siyeh.ipp.psiutils.ErrorUtil;
class IterableForEachLoopPredicate implements PsiElementPredicate {
public boolean satisfiedBy(PsiElement element) {
if (!(element instanceof PsiJavaToken)) {
return false;
}
final PsiJavaToken token = (PsiJavaToken)element;
final IElementType tokenType = token.getTokenType();
if (!JavaTokenType.FOR_KEYWORD.equals(tokenType)) {
return false;
}
final PsiElement parent = element.getParent();
if (!(parent instanceof PsiForeachStatement)) {
return false;
}
final PsiForeachStatement foreachStatement = (PsiForeachStatement)parent;
final PsiExpression iteratedValue = foreachStatement.getIteratedValue();
if (iteratedValue == null) {
return false;
}
final PsiType type = iteratedValue.getType();
if (!InheritanceUtil.isInheritor(type, CommonClassNames.JAVA_LANG_ITERABLE)) {
return false;
}
return !ErrorUtil.containsError(foreachStatement);
}
}
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