com.github.veithen.phos.enforcer.PackageMatcher Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of enforcer-maven-plugin Show documentation

Maven plugin that enforcer Java best practices

The newest version!

/*-
 * #%L
 * Phos
 * %%
 * Copyright (C) 2016 - 2023 Andreas Veithen
 * %%
 * 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.
 * #L%
 */
package com.github.veithen.phos.enforcer;

abstract class PackageMatcher {
    static final PackageMatcher ANY =
            new PackageMatcher() {
                @Override
                boolean matches(Package pkg) {
                    return true;
                }
            };

    abstract boolean matches(Package pkg);

    static final PackageMatcher from(final String pkg) {
        return new PackageMatcher() {
            @Override
            boolean matches(Package otherPackage) {
                String name = otherPackage.getName();
                if (name.length() < pkg.length()) {
                    return false;
                } else if (name.length() == pkg.length()) {
                    return name.equals(pkg);
                } else {
                    return name.startsWith(pkg) && name.charAt(pkg.length()) == '.';
                }
            }
        };
    }

    static final PackageMatcher from(String[] packages) {
        if (packages == null) {
            return ANY;
        } else if (packages.length == 1) {
            return from(packages[0]);
        } else {
            final PackageMatcher[] matchers = new PackageMatcher[packages.length];
            for (int i = 0; i < packages.length; i++) {
                matchers[i] = from(packages[i]);
            }
            return new PackageMatcher() {
                @Override
                boolean matches(Package pkg) {
                    for (PackageMatcher matcher : matchers) {
                        if (matcher.matches(pkg)) {
                            return true;
                        }
                    }
                    return false;
                }
            };
        }
    }
}