/*
* Copyright 2013 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.artifacts.ivyservice.resolveengine.result;
import org.gradle.api.artifacts.component.ComponentSelector;
import org.gradle.api.artifacts.component.LibraryComponentSelector;
import org.gradle.api.artifacts.component.ModuleComponentSelector;
import org.gradle.api.artifacts.component.ProjectComponentSelector;
import org.gradle.internal.component.external.model.DefaultModuleComponentSelector;
import org.gradle.internal.component.local.model.DefaultLibraryComponentSelector;
import org.gradle.internal.component.local.model.DefaultProjectComponentSelector;
import org.gradle.internal.serialize.AbstractSerializer;
import org.gradle.internal.serialize.Decoder;
import org.gradle.internal.serialize.Encoder;
import java.io.IOException;
public class ComponentSelectorSerializer extends AbstractSerializer<ComponentSelector> {
public ComponentSelector read(Decoder decoder) throws IOException {
byte id = decoder.readByte();
if (Implementation.BUILD.getId() == id) {
return new DefaultProjectComponentSelector(decoder.readString(), decoder.readString());
} else if (Implementation.MODULE.getId() == id) {
return new DefaultModuleComponentSelector(decoder.readString(), decoder.readString(), decoder.readString());
} else if (Implementation.LIBRARY.getId() == id) {
return new DefaultLibraryComponentSelector(decoder.readString(), decoder.readNullableString(), decoder.readNullableString());
}
throw new IllegalArgumentException("Unable to find component selector with id: " + id);
}
public void write(Encoder encoder, ComponentSelector value) throws IOException {
if (value == null) {
throw new IllegalArgumentException("Provided component selector may not be null");
}
Implementation implementation = resolveImplementation(value);
encoder.writeByte(implementation.getId());
if (implementation == Implementation.MODULE) {
ModuleComponentSelector moduleComponentSelector = (ModuleComponentSelector) value;
encoder.writeString(moduleComponentSelector.getGroup());
encoder.writeString(moduleComponentSelector.getModule());
encoder.writeString(moduleComponentSelector.getVersion());
} else if (implementation == Implementation.BUILD) {
ProjectComponentSelector projectComponentSelector = (ProjectComponentSelector) value;
encoder.writeString(projectComponentSelector.getBuildName());
encoder.writeString(projectComponentSelector.getProjectPath());
} else if (implementation == Implementation.LIBRARY) {
LibraryComponentSelector libraryComponentSelector = (LibraryComponentSelector) value;
encoder.writeString(libraryComponentSelector.getProjectPath());
encoder.writeNullableString(libraryComponentSelector.getLibraryName());
encoder.writeNullableString(libraryComponentSelector.getVariant());
} else {
throw new IllegalStateException("Unsupported implementation type: " + implementation);
}
}
private ComponentSelectorSerializer.Implementation resolveImplementation(ComponentSelector value) {
Implementation implementation;
if (value instanceof ModuleComponentSelector) {
implementation = Implementation.MODULE;
} else if (value instanceof ProjectComponentSelector) {
implementation = Implementation.BUILD;
} else if (value instanceof LibraryComponentSelector) {
implementation = Implementation.LIBRARY;
} else {
throw new IllegalArgumentException("Unsupported component selector class: " + value.getClass());
}
return implementation;
}
private enum Implementation {
MODULE((byte) 1), BUILD((byte) 2), LIBRARY((byte) 3), BINARY((byte) 4);
private final byte id;
Implementation(byte id) {
this.id = id;
}
byte getId() {
return id;
}
}
}