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GenerateIvyDescriptor.java
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GenerateIvyDescriptor.java
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/*
* Copyright 2012 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.publish.ivy.tasks;
import org.gradle.api.DefaultTask;
import org.gradle.api.InvalidUserDataException;
import org.gradle.api.publish.ivy.IvyModuleDescriptorSpec;
import org.gradle.api.publish.ivy.internal.publication.IvyModuleDescriptorSpecInternal;
import org.gradle.api.publish.ivy.internal.tasks.IvyDescriptorFileGenerator;
import org.gradle.api.tasks.Internal;
import org.gradle.api.tasks.OutputFile;
import org.gradle.api.tasks.TaskAction;
import org.gradle.api.tasks.UntrackedTask;
import org.gradle.internal.file.PathToFileResolver;
import org.gradle.internal.serialization.Cached;
import org.gradle.internal.serialization.Transient;
import javax.inject.Inject;
import java.io.File;
/**
* Generates an Ivy XML Module Descriptor file.
*
* @since 1.4
*/
@UntrackedTask(because = "Gradle doesn't understand the data structures")
public abstract class GenerateIvyDescriptor extends DefaultTask {
private Transient.Var<IvyModuleDescriptorSpec> descriptor = Transient.varOf();
private final Cached<IvyDescriptorFileGenerator.DescriptorFileSpec> ivyDescriptorSpec = Cached.of(this::computeIvyDescriptorFileSpec);
private Object destination;
@Inject
protected PathToFileResolver getFileResolver() {
throw new UnsupportedOperationException();
}
/**
* The module descriptor metadata.
*
* @return The module descriptor.
*/
@Internal
public IvyModuleDescriptorSpec getDescriptor() {
return descriptor.get();
}
public void setDescriptor(IvyModuleDescriptorSpec descriptor) {
this.descriptor.set(descriptor);
}
/**
* The file the descriptor will be written to.
*
* @return The file the descriptor will be written to
*/
@OutputFile
public File getDestination() {
return destination == null ? null : getFileResolver().resolve(destination);
}
/**
* Sets the destination the descriptor will be written to.
*
* @param destination The file the descriptor will be written to.
* @since 4.0
*/
public void setDestination(File destination) {
this.destination = destination;
}
/**
* Sets the destination the descriptor will be written to.
*
* The value is resolved with {@link org.gradle.api.Project#file(Object)}
*
* @param destination The file the descriptor will be written to.
*/
public void setDestination(Object destination) {
this.destination = destination;
}
@TaskAction
public void doGenerate() {
ivyDescriptorSpec.get().writeTo(getDestination());
}
IvyDescriptorFileGenerator.DescriptorFileSpec computeIvyDescriptorFileSpec() {
IvyModuleDescriptorSpecInternal descriptorInternal = toIvyModuleDescriptorInternal(getDescriptor());
return IvyDescriptorFileGenerator.generateSpec(descriptorInternal);
}
private static IvyModuleDescriptorSpecInternal toIvyModuleDescriptorInternal(IvyModuleDescriptorSpec ivyModuleDescriptorSpec) {
if (ivyModuleDescriptorSpec == null) {
return null;
} else if (ivyModuleDescriptorSpec instanceof IvyModuleDescriptorSpecInternal) {
return (IvyModuleDescriptorSpecInternal) ivyModuleDescriptorSpec;
} else {
throw new InvalidUserDataException(
String.format(
"ivyModuleDescriptor implementations must implement the '%s' interface, implementation '%s' does not",
IvyModuleDescriptorSpecInternal.class.getName(),
ivyModuleDescriptorSpec.getClass().getName()
)
);
}
}
}