org.ebayopensource.turmeric.plugins.maven.codegen.PathMustExistRule.java Source code

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Here is the source code for org.ebayopensource.turmeric.plugins.maven.codegen.PathMustExistRule.java

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/*******************************************************************************
 * Copyright (c) 2006-2010 eBay Inc. All Rights Reserved.
 * 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
 *******************************************************************************/
package org.ebayopensource.turmeric.plugins.maven.codegen;

import java.io.File;
import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;

import org.apache.commons.io.FilenameUtils;
import org.codehaus.plexus.interpolation.InterpolationException;
import org.codehaus.plexus.interpolation.Interpolator;

public class PathMustExistRule implements Rule {
    private File baseDir;
    private String basePath;
    private List<String> checks = new ArrayList<String>();
    private Interpolator interpolator;

    @Override
    public void setInterpolator(Interpolator interpolator) {
        this.interpolator = interpolator;
    }

    @Override
    public void setArguments(String... args) {
        if (args == null) {
            throw new IllegalArgumentException("Expected 1 argument, but got a null");
        }
        if (args.length != 1) {
            throw new IllegalArgumentException("Expected only 1 argument, but got " + args.length);
        }
        basePath = args[0];
        try {
            baseDir = new File(interpolator.interpolate(basePath));
        } catch (InterpolationException e) {
            throw new IllegalArgumentException("Unable to expand basePath: " + basePath);
        }
    }

    @Override
    public void addCheck(String line) {
        checks.add(line.trim());
    }

    @Override
    public List<String> verify() {
        LinkedList<String> failures = new LinkedList<String>();

        if (!baseDir.exists()) {
            failures.add("  Base Directory Not Found");
        }

        for (String checkPath : checks) {
            checkPath = FilenameUtils.separatorsToSystem(checkPath);
            File testPath = new File(baseDir, checkPath);
            if (!testPath.exists()) {
                failures.add(String.format("  %s : Expected Path not found", checkPath));
            }
        }

        if (failures.size() > 0) {
            failures.add(0,
                    String.format("[%s: %s] Failures - %s", this.getClass().getSimpleName(), basePath, baseDir));
        }

        return failures;
    }

}