/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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
 *
 *    https://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.grails.io.support

import groovy.transform.CompileStatic

/**
 * A Resource impl used represent a Resource as an array of bytes
 */
@CompileStatic
class ByteArrayResource implements Resource {

    byte[] bytes
    String description = 'resource loaded from byte array'

    ByteArrayResource(byte[] bytes) {
        this.bytes = bytes
    }

    ByteArrayResource(byte[] bytes, String desc) {
        this.bytes = bytes
        this.description = desc
    }

    InputStream getInputStream() {
        return new ByteArrayInputStream(bytes)
    }

    boolean exists() { true }

    boolean isReadable() { true }

    URL getURL() {
        throw new UnsupportedOperationException('Method getURL not supported')
    }

    URI getURI() {
        throw new UnsupportedOperationException('Method getURI not supported')
    }

    File getFile() {
        throw new UnsupportedOperationException('Method getFile not supported')
    }

    long contentLength() { bytes.length }

    long lastModified() { 0 }

    String getFilename() { description }

    //Fully qualified name to work around Groovy bug
    org.grails.io.support.Resource createRelative(String relativePath) {
        throw new UnsupportedOperationException('Method createRelative not supported')
    }
}
