120 lines
3.3 KiB
Java
120 lines
3.3 KiB
Java
package com.kofax.mobile.sdk.extract.id.bundle;
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import org.apache.commons.io.IOUtils;
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import org.apache.commons.lang3.StringUtils;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.util.Enumeration;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipFile;
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public class ZipFileBundle
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implements IBundle {
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private final ZipFile _file;
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public ZipFileBundle(ZipFile file) {
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if (file == null) {
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throw new IllegalArgumentException("file cannot be null");
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}
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_file = file;
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}
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@Override
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public Enumeration<? extends IBundleFile> list() {
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return new ZippedBundleFileEnumerator(_file.entries());
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}
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@Override
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public void close()
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throws IOException {
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_file.close();
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}
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private class ZippedBundleFileEnumerator
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implements Enumeration<IBundleFile> {
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private final Enumeration<? extends ZipEntry> _enumeration;
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public ZippedBundleFileEnumerator(Enumeration<? extends ZipEntry> enumeration) {
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if (enumeration == null) {
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throw new IllegalArgumentException("enumeration cannot be null");
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}
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_enumeration = enumeration;
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}
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@Override
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public boolean hasMoreElements() {
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return _enumeration.hasMoreElements();
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}
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@Override
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public IBundleFile nextElement() {
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return new ZippedBundleFile(_enumeration.nextElement());
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}
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}
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private class ZippedBundleFile
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implements IBundleFile {
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private final ZipEntry _entry;
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ZippedBundleFile(ZipEntry entry) {
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_entry = entry;
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}
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@Override
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public File getFile() {
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try {
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File tmp = File.createTempFile("__zipBundle__", "__");
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writeToFile(tmp);
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return tmp;
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} catch (Exception e) {
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throw new RuntimeException("could not get file", e);
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}
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}
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@Override
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public void getFile(File outputFile) {
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writeToFile(outputFile);
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}
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private void writeToFile(File output) {
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OutputStream outputStream = null;
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InputStream entryStream = null;
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try {
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outputStream = new FileOutputStream(output);
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entryStream = _file.getInputStream(_entry);
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IOUtils.copy(entryStream, outputStream);
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} catch (Exception e) {
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throw new RuntimeException("could not get file", e);
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} finally {
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IOUtils.closeQuietly(outputStream);
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IOUtils.closeQuietly(entryStream);
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}
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}
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@Override
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public boolean isDirectory() {
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return _entry.isDirectory();
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}
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@Override
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public String getAbsolutePath() {
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return _entry.getName();
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}
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@Override
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public String getName() {
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String name = StringUtils.removeEnd(_entry.getName(), "/");
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return name.contains("/") ? StringUtils.substringAfterLast(name, "/") : name;
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}
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}
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}
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