com.wakacommerce.common.util.DependencyLicenseCopy.java Source code

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Here is the source code for com.wakacommerce.common.util.DependencyLicenseCopy.java

Source

package com.wakacommerce.common.util;

import org.apache.commons.lang.StringUtils;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.taskdefs.Copy;
import org.apache.tools.ant.types.Resource;
import org.apache.tools.ant.types.ResourceCollection;
import org.apache.tools.ant.types.resources.FileResource;

import java.io.File;
import java.io.IOException;
import java.util.Iterator;
import java.util.Vector;

public class DependencyLicenseCopy extends Copy {

    protected File licenseDir = null;
    protected Vector<ResourceCollection> rcs = new Vector<ResourceCollection>();

    @SuppressWarnings("unchecked")
    public void execute() throws BuildException {
        super.execute();
        try {
            for (int i = 0; i < rcs.size(); i++) {
                ResourceCollection rc = (ResourceCollection) rcs.elementAt(i);
                Iterator<Resource> resources = rc.iterator();
                while (resources.hasNext()) {
                    Resource r = (Resource) resources.next();
                    if (!r.isExists()) {
                        continue;
                    }
                    if (r instanceof FileResource) {
                        FileResource fr = (FileResource) r;
                        String baseDir = fr.getBaseDir().getAbsolutePath();
                        String file = fr.getFile().getAbsolutePath();
                        file = file.substring(baseDir.length(), file.length());
                        String[] parts = file.split("/");
                        if (parts.length <= 1) {
                            parts = file.split("\\\\");
                        }
                        if (parts.length <= 1) {
                            throw new BuildException(
                                    "Unable to recognize the path separator for src file: " + file);
                        }
                        String[] specificParts = new String[parts.length - 1];
                        System.arraycopy(parts, 0, specificParts, 0, specificParts.length);
                        String specificFilePart = StringUtils.join(specificParts, '/') + "/license.txt";
                        File specificFile = new File(licenseDir, specificFilePart);
                        File specificDestinationFile = new File(destDir, specificFilePart);
                        if (specificFile.exists()) {
                            fileUtils.copyFile(specificFile, specificDestinationFile);
                            continue;
                        }

                        String[] generalParts = new String[3];
                        System.arraycopy(parts, 0, generalParts, 0, 3);
                        String generalFilePart = StringUtils.join(generalParts, '/') + "/license.txt";
                        File generalFile = new File(licenseDir, generalFilePart);
                        if (generalFile.exists()) {
                            fileUtils.copyFile(generalFile, specificDestinationFile);
                            continue;
                        }

                        String[] moreGeneralParts = new String[2];
                        System.arraycopy(parts, 0, moreGeneralParts, 0, 2);
                        String moreGeneralFilePart = StringUtils.join(moreGeneralParts, '/') + "/license.txt";
                        File moreGeneralFile = new File(licenseDir, moreGeneralFilePart);
                        if (moreGeneralFile.exists()) {
                            fileUtils.copyFile(moreGeneralFile, specificDestinationFile);
                        }
                    }
                }
            }
        } catch (IOException e) {
            throw new BuildException(e);
        }
    }

    public void add(ResourceCollection res) {
        super.add(res);
        rcs.add(res);
    }

    public File getLicenseDir() {
        return licenseDir;
    }

    public void setLicenseDir(File licenseDir) {
        this.licenseDir = licenseDir;
    }
}