org.gradle.internal.resource.local.DefaultLocallyAvailableExternalResource Maven / Gradle / Ivy

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/*
 * Copyright 2012 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.gradle.internal.resource.local;

import org.gradle.api.Action;
import org.gradle.api.Transformer;
import org.gradle.api.resources.ResourceException;
import org.gradle.internal.nativeintegration.filesystem.FileSystem;
import org.gradle.internal.resource.ExternalResourceReadResult;
import org.gradle.internal.resource.ExternalResourceWriteResult;
import org.gradle.internal.resource.ReadableContent;
import org.gradle.internal.resource.metadata.ExternalResourceMetaData;

import javax.annotation.Nullable;
import java.io.File;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;
import java.util.List;

/**
 * A {@link LocallyAvailableExternalResource} implementation that represents a local file backed copy of some remote resource.
 */
public class DefaultLocallyAvailableExternalResource implements LocallyAvailableExternalResource {
    private final URI source;
    private final ExternalResourceMetaData metaData;
    private final LocallyAvailableExternalResource localFile;

    public DefaultLocallyAvailableExternalResource(URI source, File locallyAvailableResource, ExternalResourceMetaData metaData, FileSystem fileSystem) {
        localFile = new LocalFileStandInExternalResource(locallyAvailableResource, fileSystem);
        this.source = source;
        this.metaData = metaData;
    }

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

    @Override
    public URI getURI() {
        return source;
    }

    @Nullable
    @Override
    public ExternalResourceMetaData getMetaData() {
        return metaData;
    }

    @Override
    public File getFile() {
        return localFile.getFile();
    }

    @Nullable
    @Override
    public List list() throws ResourceException {
        throw new UnsupportedOperationException();
    }

    @Override
    public ExternalResourceWriteResult put(ReadableContent source) throws ResourceException {
        throw new UnsupportedOperationException();
    }

    @Override
    public ExternalResourceReadResult writeTo(File destination) throws ResourceException {
        return localFile.writeTo(destination);
    }

    @Override
    @Nullable
    public ExternalResourceReadResult writeToIfPresent(File destination) throws ResourceException {
        return localFile.writeToIfPresent(destination);
    }

    @Override
    public ExternalResourceReadResult writeTo(OutputStream destination) throws ResourceException {
        return localFile.writeTo(destination);
    }

    @Override
    public ExternalResourceReadResult withContent(Action readAction) throws ResourceException {
        return localFile.withContent(readAction);
    }

    @Override
    public  ExternalResourceReadResult withContent(Transformer readAction) throws ResourceException {
        return localFile.withContent(readAction);
    }

    @Override
    @Nullable
    public  ExternalResourceReadResult withContentIfPresent(Transformer readAction) throws ResourceException {
        return localFile.withContentIfPresent(readAction);
    }

    @Override
    public  ExternalResourceReadResult withContent(ContentAction readAction) throws ResourceException {
        return localFile.withContent(readAction);
    }

    @Override
    @Nullable
    public  ExternalResourceReadResult withContentIfPresent(ContentAction readAction) throws ResourceException {
        return localFile.withContentIfPresent(readAction);
    }
}