/*
* Copyright 2011 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.plugins.signing.type;
import org.gradle.api.Action;
import org.gradle.api.UncheckedIOException;
import org.gradle.plugins.signing.signatory.Signatory;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import static org.codehaus.groovy.runtime.ResourceGroovyMethods.newInputStream;
import static org.codehaus.groovy.runtime.ResourceGroovyMethods.newOutputStream;
import static org.gradle.internal.IoActions.withResource;
/**
* Convenience base class for {@link SignatureType} implementations.
*/
public abstract class AbstractSignatureType implements SignatureType {
@Override
public File sign(final Signatory signatory, File toSign) {
final File signatureFile = fileFor(toSign);
try {
withResource(newInputStream(toSign), new Action<InputStream>() {
@Override
public void execute(final InputStream toSignStream) {
try {
withResource(newOutputStream(signatureFile), new Action<BufferedOutputStream>() {
@Override
public void execute(BufferedOutputStream signatureFileStream) {
sign(signatory, toSignStream, signatureFileStream);
}
});
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
});
} catch (FileNotFoundException e) {
throw new UncheckedIOException(e);
}
return signatureFile;
}
@Override
public void sign(Signatory signatory, InputStream toSign, OutputStream destination) {
signatory.sign(toSign, destination);
}
@Override
public File fileFor(File toSign) {
return new File(toSign.getPath() + "." + getExtension());
}
@Override
public String combinedExtension(File toSign) {
String name = toSign.getName();
int dotIndex = name.lastIndexOf(".");
if (dotIndex == -1 || dotIndex + 1 == name.length()) {
return getExtension();
} else {
return name.substring(dotIndex + 1) + "." + getExtension();
}
}
}