/*
 * JBoss, Home of Professional Open Source
 * Copyright 2012, Red Hat Middleware LLC, and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * 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 org.jboss.shrinkwrap.impl.nio.file;

import java.io.IOException;
import java.nio.file.attribute.BasicFileAttributeView;
import java.nio.file.attribute.BasicFileAttributes;
import java.nio.file.attribute.FileTime;

/**
 * ShrinkWrap implementation of a {@link BasicFileAttributeView}; immutable and Thread-safe
 *
 * @author <a href="mailto:alr@jboss.org">Andrew Lee Rubinger</a>
 */
final class ShrinkWrapFileAttributeView implements BasicFileAttributeView {

    private final ShrinkWrapFileAttributes attributes;

    ShrinkWrapFileAttributeView(final ShrinkWrapFileAttributes attributes) {
        assert attributes != null : "attributes must be specified";
        this.attributes = attributes;
    }

    /**
     * {@inheritDoc}
     *
     * @see java.nio.file.attribute.BasicFileAttributeView#name()
     */
    @Override
    public String name() {
        return ShrinkWrapFileAttributeView.class.getSimpleName();
    }

    /**
     * {@inheritDoc}
     *
     * @see java.nio.file.attribute.BasicFileAttributeView#readAttributes()
     */
    @Override
    public BasicFileAttributes readAttributes() throws IOException {
        return attributes;
    }

    /**
     * {@inheritDoc}
     *
     * @see java.nio.file.attribute.BasicFileAttributeView#setTimes(java.nio.file.attribute.FileTime,
     *      java.nio.file.attribute.FileTime, java.nio.file.attribute.FileTime)
     */
    @Override
    public void setTimes(FileTime lastModifiedTime, FileTime lastAccessTime, FileTime createTime) throws IOException {
        throw new UnsupportedOperationException("ShrinkWrap does not support times");
    }

}