gradle-master/subprojects/dependency-management/src/main/java/org/gradle/api/internal/artifacts/dependencies/DefaultExternalModuleDependency.java
/*
 * Copyright 2010 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.dependencies;

import org.gradle.api.artifacts.Dependency;
import org.gradle.api.artifacts.ExternalModuleDependency;
import org.gradle.api.artifacts.ModuleIdentifier;
import org.gradle.api.artifacts.MutableVersionConstraint;

import javax.annotation.Nullable;

public class DefaultExternalModuleDependency extends AbstractExternalModuleDependency implements ExternalModuleDependency {

    public DefaultExternalModuleDependency(String group, String name, String version) {
        this(group, name, version, null);
    }

    public DefaultExternalModuleDependency(String group, String name, String version, @Nullable String configuration) {
        super(assertModuleId(group, name), version, configuration);
    }

    public DefaultExternalModuleDependency(ModuleIdentifier id, MutableVersionConstraint versionConstraint, @Nullable String configuration) {
        super(id, versionConstraint, configuration);
    }

    @Override
    public ExternalModuleDependency copy() {
        DefaultExternalModuleDependency copiedModuleDependency = new DefaultExternalModuleDependency(getGroup(), getName(), getVersion(), getTargetConfiguration());
        copyTo(copiedModuleDependency);
        return copiedModuleDependency;
    }

    @Override
    public boolean contentEquals(Dependency dependency) {
        if (this == dependency) {
            return true;
        }
        if (dependency == null || getClass() != dependency.getClass()) {
            return false;
        }

        ExternalModuleDependency that = (ExternalModuleDependency) dependency;
        return isContentEqualsFor(that);

    }

    @Override
    public String toString() {
        return String.format("DefaultExternalModuleDependency{group='%s', name='%s', version='%s', configuration='%s'}",
                getGroup(), getName(), getVersion(), getTargetConfiguration() != null ? getTargetConfiguration() : Dependency.DEFAULT_CONFIGURATION);
    }
}
