| /******************************************************************************* |
| * Copyright (c) 2000, 2006 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.internal.expressions; |
| |
| import java.util.Iterator; |
| |
| import org.eclipse.core.expressions.EvaluationResult; |
| import org.eclipse.core.expressions.Expression; |
| import org.eclipse.core.expressions.IEvaluationContext; |
| import org.eclipse.core.runtime.CoreException; |
| |
| /** |
| * Copied from org.eclipse.core.internal.expressions. |
| */ |
| public final class AndExpression extends CompositeExpression { |
| |
| /** |
| * The seed for the hash code for all schemes. |
| */ |
| private static final int HASH_INITIAL = AndExpression.class.getName() |
| .hashCode(); |
| |
| protected final int computeHashCode() { |
| return HASH_INITIAL * HASH_FACTOR + hashCode(fExpressions); |
| } |
| |
| public final boolean equals(final Object object) { |
| if (object instanceof AndExpression) { |
| final AndExpression that = (AndExpression) object; |
| return equals(this.fExpressions, that.fExpressions); |
| } |
| |
| return false; |
| } |
| |
| public final EvaluationResult evaluate(final IEvaluationContext context) |
| throws CoreException { |
| return evaluateAnd(context); |
| } |
| |
| public final String toString() { |
| final StringBuffer buffer = new StringBuffer(); |
| buffer.append("AndExpression("); //$NON-NLS-1$ |
| if (fExpressions != null) { |
| final Iterator itr = fExpressions.iterator(); |
| while (itr.hasNext()) { |
| final Expression expression = (Expression) itr.next(); |
| buffer.append(expression.toString()); |
| if (itr.hasNext()) { |
| buffer.append(','); |
| } |
| } |
| } |
| buffer.append(')'); |
| return buffer.toString(); |
| } |
| } |