org.grails.io.support.ByteArrayResource.groovy Maven / Gradle / Ivy

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/*
 * Copyright 2002-2013 the original author or authors.
 *
 * 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.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")
    }
}