org.apache.maven.plugins.invoker.Selector Maven / Gradle / Ivy

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The Maven Invoker Plugin is used to run a set of Maven projects. The plugin can determine whether each project execution is successful, and optionally can verify the output generated from a given project execution.

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.maven.plugins.invoker;

import org.apache.maven.plugins.invoker.AbstractInvokerMojo.ToolchainPrivateManager;

/**
 *
 * @author Robert Scholte
 *
 */
class Selector {
    static final int SELECTOR_MAVENVERSION = 1;

    static final int SELECTOR_JREVERSION = 2;

    static final int SELECTOR_OSFAMILY = 4;

    static final int SELECTOR_TOOLCHAIN = 8;

    static final int SELECTOR_MULTI = 16;

    private final String actualMavenVersion;

    private final String actualJavaVersion;

    private final ToolchainPrivateManager toolchainPrivateManager;

    Selector(String actualMavenVersion, String actualJavaVersion, ToolchainPrivateManager toolchainPrivateManager) {
        this.actualMavenVersion = actualMavenVersion;
        this.actualJavaVersion = actualJavaVersion;
        this.toolchainPrivateManager = toolchainPrivateManager;
    }

    public int getSelection(InvokerProperties invokerProperties) {
        if (!invokerProperties.isSelectorDefined(1)) {
            return getGlobal(invokerProperties);
        }

        for (int selectorIndex = 1; ; selectorIndex++) {
            if (selectorIndex > 1 && !invokerProperties.isSelectorDefined(selectorIndex)) {
                break;
            }

            int selection = 0;
            if (!SelectorUtils.isMavenVersion(invokerProperties.getMavenVersion(selectorIndex), actualMavenVersion)) {
                selection |= SELECTOR_MAVENVERSION;
            }

            if (!SelectorUtils.isJreVersion(invokerProperties.getJreVersion(selectorIndex), actualJavaVersion)) {
                selection |= SELECTOR_JREVERSION;
            }

            if (!SelectorUtils.isOsFamily(invokerProperties.getOsFamily(selectorIndex))) {
                selection |= SELECTOR_OSFAMILY;
            }

            if (!SelectorUtils.isToolchain(toolchainPrivateManager, invokerProperties.getToolchains(selectorIndex))) {
                selection |= SELECTOR_TOOLCHAIN;
            }

            if (selection == 0) {
                return 0;
            }
        }
        return SELECTOR_MULTI;
    }

    /**
     * Determines whether selector conditions of the specified invoker properties match the current environment.
     *
     * @param invokerProperties The invoker properties to check, must not be null.
     * @return 0 if the job corresponding to the properties should be run, otherwise a bitwise value
     *         representing the reason why it should be skipped.
     */
    private int getGlobal(InvokerProperties invokerProperties) {
        int selection = 0;
        if (!SelectorUtils.isMavenVersion(invokerProperties.getMavenVersion(), actualMavenVersion)) {
            selection |= SELECTOR_MAVENVERSION;
        }

        if (!SelectorUtils.isJreVersion(invokerProperties.getJreVersion(), actualJavaVersion)) {
            selection |= SELECTOR_JREVERSION;
        }

        if (!SelectorUtils.isOsFamily(invokerProperties.getOsFamily())) {
            selection |= SELECTOR_OSFAMILY;
        }

        if (!SelectorUtils.isToolchain(toolchainPrivateManager, invokerProperties.getToolchains())) {
            selection |= SELECTOR_TOOLCHAIN;
        }

        return selection;
    }
}