groovy/gradle/src/org/netbeans/modules/gradle/api/GradleTask.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
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package org.netbeans.modules.gradle.api;

import java.io.Serializable;
import java.util.regex.Pattern;

/**
 * Represent a task in a Gradle project.
 * 
 * @since 1.0
 * @author Laszlo Kishalmi
 */
public final class GradleTask implements Serializable {

    private static final Pattern CAMLE_CASE_SPLITTER = Pattern.compile("(?<!^)(?=[A-Z0-9])");

    final String path;
    final String group;
    final String name;
    final String description;

    GradleTask(String path, String group, String name, String description) {
        this.path = path;
        this.group = group;
        this.name = name;
        this.description = description;
    }

    public String getPath() {
        return path;
    }

    public String getGroup() {
        return group != null ? group : GradleBaseProject.PRIVATE_TASK_GROUP;
    }

    public String getName() {
        return name;
    }

    public String getDescription() {
        return description != null ? description : "";
    }

    /**
     * Tasks without groups are considered private in Gradle.
     * 
     * @return true if this task is private.
     */
    public boolean isPrivate() {
        return group == null;
    }

    /**
     * Returns true if the given CamelCase abbreviation matches this task name.
     * @param abbrev the camel case abbreviation
     * @return true if the abbreviation can be matched to this task name.
     */
    public boolean matches(String abbrev) {
        return abbrevMatch(abbrev, name);
    }

    static boolean abbrevMatch(String abbrev, String name) {
        if (abbrev.isEmpty()) {
            return true;
        }
        if (abbrev.length() > name.length()) {
            return false;
        }
        String[] abbrevParts = CAMLE_CASE_SPLITTER.split(abbrev);
        String[] nameParts = CAMLE_CASE_SPLITTER.split(name);
        if (abbrevParts.length > nameParts.length) {
            return false;
        }
        for (int i = 0; i < abbrevParts.length; i++) {
            String part = abbrevParts[i];
            if (!nameParts[i].startsWith(part)) {
                return false;
            }
        }
        return true;
    }
}