/*
 * ModeShape (http://www.modeshape.org)
 * See the COPYRIGHT.txt file distributed with this work for information
 * regarding copyright ownership.  Some portions may be licensed
 * to Red Hat, Inc. under one or more contributor license agreements.
 * See the AUTHORS.txt file in the distribution for a full listing of 
 * individual contributors.
 *
 * ModeShape is free software. Unless otherwise indicated, all code in ModeShape
 * is licensed to you under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 * 
 * ModeShape is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.modeshape.jcr;

import java.util.Iterator;

/**
 * A wrapper around an {@link org.modeshape.common.collection.Problems internal Problems} object that implements the ModeShape JCR
 * API {@link org.modeshape.jcr.api.Problems} interface.
 */
public class JcrProblems implements org.modeshape.jcr.api.Problems {

    private final org.modeshape.common.collection.Problems delegate;

    public JcrProblems( org.modeshape.common.collection.Problems problems ) {
        this.delegate = problems;
    }

    @Override
    public Iterator<org.modeshape.jcr.api.Problem> iterator() {
        final Iterator<org.modeshape.common.collection.Problem> iter = delegate.iterator();
        return new Iterator<org.modeshape.jcr.api.Problem>() {
            @Override
            public boolean hasNext() {
                return iter.hasNext();
            }

            @Override
            public org.modeshape.jcr.api.Problem next() {
                final org.modeshape.common.collection.Problem next = iter.next();
                return new org.modeshape.jcr.api.Problem() {
                    @Override
                    public String getMessage() {
                        return next.getMessageString();
                    }

                    @Override
                    public Throwable getThrowable() {
                        return next.getThrowable();
                    }
                };
            }

            @Override
            public void remove() {
                throw new UnsupportedOperationException();
            }
        };
    }

    @Override
    public int size() {
        return delegate.size();
    }

    @Override
    public boolean hasProblems() {
        return delegate.hasProblems();
    }

    @Override
    public String toString() {
        return delegate.toString();
    }

}
