com.netflix.gradle.plugins.packaging.AbstractPackagingCopyAction.groovy Maven / Gradle / Ivy

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Provides a task similar to Tar and Zip for constructing RPM and DEB package files.
There is a newer version: 11.10.0
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/*
 * Copyright 2011-2019 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 com.netflix.gradle.plugins.packaging

import groovy.transform.CompileDynamic
import org.gradle.api.file.DuplicatesStrategy
import org.gradle.api.internal.file.CopyActionProcessingStreamAction
import org.gradle.api.internal.file.copy.*
import org.gradle.api.tasks.WorkResult
import org.gradle.api.tasks.WorkResults
import org.gradle.internal.UncheckedException
import org.slf4j.Logger
import org.slf4j.LoggerFactory

import java.lang.reflect.Field

abstract class AbstractPackagingCopyAction implements CopyAction {
    static final Logger logger = LoggerFactory.getLogger(AbstractPackagingCopyAction.class)

    T task
    File tempDir
    Collection filteredFiles = []

    protected AbstractPackagingCopyAction(T task) {
        this.task = task
    }

    @Override
    WorkResult execute(CopyActionProcessingStream stream) {
        try {
            startVisit(this)
            stream.process(new StreamAction())
            endVisit()
        } catch (Exception e) {
            UncheckedException.throwAsUncheckedException(e)
        }
        return WorkResults.didWork(true)
    }

    // Not a static class
    private class StreamAction implements CopyActionProcessingStreamAction {
        public void processFile(FileCopyDetailsInternal details) {
            // While decoupling the spec from the action is nice, it contains some needed info
            def ourSpec = extractSpec(details) // Can be null
            if (details.isDirectory()) {
                visitDir(details, ourSpec);
            } else {
                visitFile(details, ourSpec);
            }
        }
    }

    protected abstract void visitDir(FileCopyDetailsInternal dirDetails, def specToLookAt)
    protected abstract void visitFile(FileCopyDetailsInternal fileDetails, def specToLookAt)
    protected abstract void addLink(Link link)
    protected abstract void addDependency(Dependency dependency)
    protected abstract void addConflict(Dependency dependency)
    protected abstract void addObsolete(Dependency dependency)
    protected abstract void addProvides(Dependency dependency)
    protected abstract void addDirectory(Directory directory)
    protected abstract void end()

    void startVisit(CopyAction action) {
        // Delay reading destinationDir until we start executing
        task.setDuplicatesStrategy(DuplicatesStrategy.INCLUDE)
        tempDir = task.getTemporaryDir()

    }

    void endVisit() {
        for (Link link : task.getAllLinks()) {
            logger.debug "adding link {} -> {}", link.path, link.target
            addLink link
        }

        for (Dependency dep : task.getAllDependencies()) {
            logger.debug "adding dependency on {} {}", dep.packageName, dep.version
            addDependency dep
        }

        for (Dependency obsolete: task.getAllObsoletes()) {
            logger.debug "adding obsoletes on {} {}", obsolete.packageName, obsolete.version
            addObsolete obsolete
        } 

        for (Dependency conflict : task.getAllConflicts()) {
            logger.debug "adding conflicts on {} {}", conflict.packageName, conflict.version
            addConflict conflict
        }

        for (Dependency provides : task.getAllProvides()) {
            logger.debug "adding provides on {} {}", provides.packageName, provides.version
            addProvides(provides)
        }

        for (Directory directory: task.getAllDirectories()) {
            logger.debug "adding directory {}", directory.path
            addDirectory(directory)
        }

        end()

        // TODO Clean up filteredFiles

        // TODO Investigate, we seem to always set to true.
    }

    @CompileDynamic
    String concat(Collection