Package org.gradle.api.internal.file.archive

Source Code of org.gradle.api.internal.file.archive.ZipCopySpecVisitor

/*
* Copyright 2010 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.api.internal.file.archive;

import org.apache.tools.zip.*;
import org.gradle.api.GradleException;
import org.gradle.api.UncheckedIOException;
import org.gradle.api.internal.file.copy.CopyAction;
import org.gradle.api.file.FileVisitDetails;
import org.gradle.api.internal.file.copy.ArchiveCopyAction;
import org.gradle.api.internal.file.copy.EmptyCopySpecVisitor;
import org.gradle.api.internal.file.copy.ReadableCopySpec;

import java.io.File;
import java.io.IOException;

public class ZipCopySpecVisitor extends EmptyCopySpecVisitor {
    private ZipOutputStream zipOutStr;
    private File zipFile;
    private ReadableCopySpec spec;

    public void startVisit(CopyAction action) {
        ArchiveCopyAction archiveAction = (ArchiveCopyAction) action;
        zipFile = archiveAction.getArchivePath();
        try {
            zipOutStr = new ZipOutputStream(zipFile);
        } catch (Exception e) {
            throw new GradleException(String.format("Could not create ZIP '%s'.", zipFile), e);
        }
    }

    public void endVisit() {
        try {
            zipOutStr.close();
        } catch (IOException e) {
            throw new UncheckedIOException(e);
        } finally {
            spec = null;
            zipOutStr = null;
        }
    }

    public void visitSpec(ReadableCopySpec spec) {
        this.spec = spec;
    }

    public void visitFile(FileVisitDetails fileDetails) {
        try {
            ZipEntry archiveEntry = new ZipEntry(fileDetails.getRelativePath().getPathString());
            archiveEntry.setMethod(ZipEntry.DEFLATED);
            archiveEntry.setTime(fileDetails.getLastModified());
            archiveEntry.setUnixMode(UnixStat.FILE_FLAG | spec.getFileMode());
            zipOutStr.putNextEntry(archiveEntry);
            fileDetails.copyTo(zipOutStr);
            zipOutStr.closeEntry();
        } catch (Exception e) {
            throw new GradleException(String.format("Could not add %s to ZIP '%s'.", fileDetails, zipFile), e);
        }
    }

    public void visitDir(FileVisitDetails dirDetails) {
        try {
            // Trailing slash in name indicates that entry is a directory
            ZipEntry archiveEntry = new ZipEntry(dirDetails.getRelativePath().getPathString() + '/');
            archiveEntry.setTime(dirDetails.getLastModified());
            archiveEntry.setUnixMode(UnixStat.DIR_FLAG | spec.getDirMode());
            zipOutStr.putNextEntry(archiveEntry);
            zipOutStr.closeEntry();
        } catch (Exception e) {
            throw new GradleException(String.format("Could not add %s to ZIP '%s'.", dirDetails, zipFile), e);
        }
    }

    public boolean getDidWork() {
        return true;
    }
}
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