com.tngtech.archunit.core.importer.resolvers.SelectedClassResolverFromClasspath.java Source code

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Here is the source code for com.tngtech.archunit.core.importer.resolvers.SelectedClassResolverFromClasspath.java

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/*
 * Copyright 2019 TNG Technology Consulting GmbH
 *
 * 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 com.tngtech.archunit.core.importer.resolvers;

import java.util.List;
import java.util.Set;

import com.google.common.collect.ImmutableSet;
import com.tngtech.archunit.PublicAPI;
import com.tngtech.archunit.base.Optional;
import com.tngtech.archunit.core.domain.JavaClass;

import static com.tngtech.archunit.PublicAPI.Usage.ACCESS;

/**
 * Only resolves classes from classpath that are beneath the configured {@link #packageRoots}. E.g. useful,
 * if one wants to import com.my.app.foo, but resolve all dependencies to com.my.app, but not to java.util..
 * or similar.
 *
 * @see ClassResolverFromClasspath
 */
public final class SelectedClassResolverFromClasspath implements ClassResolver {
    private final Set<String> packageRoots;
    private final ClassResolverFromClasspath classResolverFromClasspath = new ClassResolverFromClasspath();

    @PublicAPI(usage = ACCESS)
    public SelectedClassResolverFromClasspath(List<String> packageRoots) {
        this.packageRoots = ImmutableSet.copyOf(packageRoots);
    }

    @Override
    @PublicAPI(usage = ACCESS)
    public void setClassUriImporter(ClassUriImporter classUriImporter) {
        classResolverFromClasspath.setClassUriImporter(classUriImporter);
    }

    @Override
    @PublicAPI(usage = ACCESS)
    public Optional<JavaClass> tryResolve(String typeName) {
        for (String root : packageRoots) {
            if (typeName.startsWith(root)) {
                return classResolverFromClasspath.tryResolve(typeName);
            }
        }
        return Optional.absent();
    }
}