org.springframework.ide.eclipse.boot.wizard.content.BuildType.java Source code

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Here is the source code for org.springframework.ide.eclipse.boot.wizard.content.BuildType.java

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/*******************************************************************************
 *  Copyright (c) 2013, 2016 GoPivotal, Inc.
 *  All rights reserved. This program and the accompanying materials
 *  are made available under the terms of the Eclipse Public License v1.0
 *  which accompanies this distribution, and is available at
 *  https://www.eclipse.org/legal/epl-v10.html
 *
 *  Contributors:
 *      GoPivotal, Inc. - initial API and implementation
 *******************************************************************************/
package org.springframework.ide.eclipse.boot.wizard.content;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.springframework.ide.eclipse.boot.wizard.importing.GeneralProjectStrategy;
import org.springframework.ide.eclipse.boot.wizard.importing.ImportStrategies;
import org.springframework.ide.eclipse.boot.wizard.importing.ImportStrategy;
import org.springframework.ide.eclipse.boot.wizard.importing.ImportStrategyHolder;
import org.springframework.ide.eclipse.boot.wizard.importing.MavenStrategy;

public enum BuildType {
    MAVEN("pom.xml", MavenStrategy.class.getName(), "M2E (Eclipse Maven Tooling) is not installed"), GRADLE(
            "build.gradle"), GENERAL(null, GeneralProjectStrategy.class.getName(), "NA");

    private static final ContributedImportStrategies contributions = new ContributedImportStrategies();

    /**
     * Location of the 'build script' relative to codeset (project) root.
     * This also serves as a way to recognize if a BuildType is
     * supported by a CodeSet. I.e. if the buildScript file
     * exists in the code set then it is assumed the codeset can
     * be imported with the corresponding ImportStrategy.
     */
    private Path buildScriptPath;
    private List<ImportStrategyHolder> strategies = new ArrayList<>();
    private String displayName;
    private boolean hasDefaultStrategy = false;

    private BuildType(String buildScriptPath) {
        if (buildScriptPath != null) {
            this.buildScriptPath = new Path(buildScriptPath);
        }
    }

    private BuildType(String buildScriptPath, String importStrategyClass, String notInstalledMessage) {
        this(buildScriptPath);
        hasDefaultStrategy = true;
        addStrategy(new ImportStrategyHolder(this, ImportStrategies.forClass(importStrategyClass),
                notInstalledMessage, "Default"));
    }

    public IPath getBuildScript() {
        return buildScriptPath;
    }

    public List<ImportStrategy> getImportStrategies() {
        contributions.initialize();
        ArrayList<ImportStrategy> instances = new ArrayList<>(strategies.size());
        for (ImportStrategyHolder f : strategies) {
            instances.add(f.get());
        }
        return Collections.unmodifiableList(instances);
    }

    public String displayName() {
        if (displayName == null) {
            String name = name();
            displayName = name.substring(0, 1) + name.substring(1).toLowerCase();
        }
        return displayName;
    }

    /**
     * The option that is preferred by the UI as the initial selection.
     */
    public static final BuildType DEFAULT = MAVEN;

    public void addStrategy(ImportStrategyHolder strategyHolder) {
        strategies.add(strategyHolder);
    }

    public ImportStrategy getDefaultStrategy() {
        Assert.isLegal(hasDefaultStrategy);
        return getImportStrategies().get(0);
    }

}