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44 lines
1.4 KiB
Groovy
44 lines
1.4 KiB
Groovy
package org.xbib.gradle.plugin.shadow.transformers
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import org.gradle.api.file.FileTreeElement
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import org.xbib.gradle.plugin.shadow.internal.Utils
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import org.xbib.gradle.plugin.shadow.zip.ZipEntry
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import org.xbib.gradle.plugin.shadow.zip.ZipOutputStream
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/**
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* A resource processor that appends content for a resource, separated by a newline.
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* Modified from org.apache.maven.plugins.shade.resource.AppendingTransformer.
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*/
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class AppendingTransformer implements Transformer {
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String resource
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ByteArrayOutputStream data = new ByteArrayOutputStream()
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@Override
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boolean canTransformResource(FileTreeElement element) {
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def path = element.relativePath.pathString
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resource != null && resource.equalsIgnoreCase(path)
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}
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@Override
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void transform(TransformerContext context) {
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Utils.copyLarge(context.inputStream, data)
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data.write('\n'.bytes)
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context.inputStream.close()
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}
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@Override
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boolean hasTransformedResource() {
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return data.size() > 0
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}
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@Override
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void modifyOutputStream(ZipOutputStream os, boolean preserveFileTimestamps) {
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ZipEntry entry = new ZipEntry(resource)
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entry.time = TransformerContext.getEntryTimestamp(preserveFileTimestamps, entry.time)
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os.putNextEntry(entry)
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Utils.copyLarge(new ByteArrayInputStream(data.toByteArray()), os)
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data.reset()
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}
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}
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