content: /*******************************************************************************
   * Copyright (c) 2000, 2007 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.wst.jsdt.internal.corext.refactoring.typeconstraints;
  
  import java.util.Arrays;
  import java.util.Comparator;
  import java.util.List;
  
  import org.eclipse.core.runtime.Assert;
  
  
  public class CompositeOrTypeConstraint implements ITypeConstraint{
  	
  	private final ITypeConstraint[] fConstraints;
  	
  	/* package */ CompositeOrTypeConstraint(ITypeConstraint[] constraints){
  		Assert.isNotNull(constraints);
  		fConstraints= sort(getCopy(constraints));
  	}
  	
  	private static ITypeConstraint[] getCopy(ITypeConstraint[] constraints) {
  		List l= Arrays.asList(constraints);
  		return (ITypeConstraint[]) l.toArray(new ITypeConstraint[l.size()]);
  	}
  
  	private static ITypeConstraint[] sort(ITypeConstraint[] constraints) {
  		//TODO bogus to sort by toString - will have to come up with something better
  		Arrays.sort(constraints, new Comparator(){
  			public int compare(Object o1, Object o2) {
  				return o2.toString().compareTo(o1.toString());
  			}
  		});
  		return constraints;
  	}
  
  	/* (non-Javadoc)
  	 * @see org.eclipse.wst.jsdt.internal.corext.refactoring.experiments.ITypeConstraint#toResolvedString()
  	 */
  	public String toResolvedString() {
  		StringBuffer buff= new StringBuffer();
  		for (int i= 0; i < fConstraints.length; i++) {
  			ITypeConstraint constraint= fConstraints[i];
  			if (i > 0)
  				buff.append(" or ");			 //$NON-NLS-1$
  			buff.append(constraint.toResolvedString());
  		}
  		return buff.toString();
  	}
  
  	/* (non-Javadoc)
  	 * @see org.eclipse.wst.jsdt.internal.corext.refactoring.experiments.ITypeConstraint#isSimpleTypeConstraint()
  	 */
  	public boolean isSimpleTypeConstraint() {
  		return false;
  	}
  
  	/* (non-Javadoc)
  	 * @see java.lang.Object#toString()
  	 */
  	public String toString() {
  		StringBuffer buff= new StringBuffer();
  		for (int i= 0; i < fConstraints.length; i++) {
  			ITypeConstraint constraint= fConstraints[i];
  			if (i > 0)
  				buff.append(" or ");			 //$NON-NLS-1$
  			buff.append(constraint.toString());
  		}
  		return buff.toString();
  	}
  
  	public ITypeConstraint[] getConstraints() {
  		return fConstraints;
  	}
  }
  