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Java example source code file (FileTreeCreatorVC10.java)

This example Java source code file (FileTreeCreatorVC10.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

basicfileattributes, buildconfig, condition, configuration, continue, filetreecreatorvc10, filevisitresult, ioexception, name, override, platform, precompiledheader, string, util, vector

The FileTreeCreatorVC10.java Java example source code

/*
 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 *
 */

import static java.nio.file.FileVisitResult.CONTINUE;

import java.io.IOException;
import java.nio.file.FileSystems;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.attribute.BasicFileAttributes;
import java.util.Stack;
import java.util.Vector;

public class FileTreeCreatorVC10 extends FileTreeCreator {

      public FileTreeCreatorVC10(Path startDir, Vector<BuildConfig> allConfigs, WinGammaPlatformVC10 wg) {
         super(startDir, allConfigs, wg);
      }

      @Override
      public FileVisitResult visitFile(Path file, BasicFileAttributes attr) {
         DirAttributes currentFileAttr = attributes.peek().clone();
         boolean usePch = false;
         boolean disablePch = false;
         boolean useIgnore = false;
         boolean isAltSrc = false;  // only needed as a debugging crumb
         boolean isReplacedByAltSrc = false;
         String fileName = file.getFileName().toString();

         // TODO hideFile

         // usePch applies to all configs for a file.
         if (fileName.equals(BuildConfig.getFieldString(null, "UseToGeneratePch"))) {
            usePch = true;
         }

         String fileLoc = vcProjLocation.relativize(file).toString();

         // isAltSrc and isReplacedByAltSrc applies to all configs for a file
         if (BuildConfig.matchesRelativeAltSrcInclude(
               file.toAbsolutePath().toString())) {
            // current file is an alternate source file so track it
            isAltSrc = true;
            BuildConfig.trackRelativeAltSrcFile(
                file.toAbsolutePath().toString());
         } else if (BuildConfig.matchesRelativeAltSrcFile(
                    file.toAbsolutePath().toString())) {
            // current file is a regular file that matches an alternate
            // source file so yack about replacing the regular file
            isReplacedByAltSrc = true;
            System.out.println("INFO: alternate source file '" +
                               BuildConfig.getMatchingRelativeAltSrcFile(
                                   file.toAbsolutePath().toString()) +
                               "' replaces '" + fileLoc + "'");
         }

         for (BuildConfig cfg : allConfigs) {
            if (cfg.lookupHashFieldInContext("IgnoreFile", fileName) != null) {
               useIgnore = true;
               currentFileAttr.setIgnore(cfg);
            } else if (cfg.matchesIgnoredPath(file.toAbsolutePath().toString())) {
               useIgnore = true;
               currentFileAttr.setIgnore(cfg);
            }

            if (cfg.lookupHashFieldInContext("DisablePch", fileName) != null) {
               disablePch = true;
               currentFileAttr.setDisablePch(cfg);
            }

            Vector<String> rv = new Vector();
            cfg.collectRelevantVectors(rv, "AdditionalFile");
            for(String addFile : rv) {
               if (addFile.equals(fileName)) {
                  // supress any ignore
                  // TODO - may need some adjustments
                  if (file.toAbsolutePath().toString().contains(cfg.get("Flavour"))) {
                     currentFileAttr.removeFromIgnored(cfg);
                  }
               }
            }
         }

         String tagName = wg10.getFileTagFromSuffix(fileName);

         if (!useIgnore && !disablePch && !usePch && !isReplacedByAltSrc) {
            wg.tag(tagName, new String[] { "Include", fileLoc});
         } else {
            wg.startTag(
                  tagName,
                  new String[] { "Include", fileLoc});

            for (BuildConfig cfg : allConfigs) {
               boolean ignore = currentFileAttr.hasIgnore(cfg);
               if (ignore) {
                  wg.tagData("ExcludedFromBuild", "true", "Condition", "'$(Configuration)|$(Platform)'=='" + cfg.get("Name") + "'");
               }
               if (usePch) {
                  wg.tagData("PrecompiledHeader", "Create", "Condition", "'$(Configuration)|$(Platform)'=='" + cfg.get("Name") + "'");
               }
               if (disablePch) {
                  wg.tag("PrecompiledHeader", "Condition", "'$(Configuration)|$(Platform)'=='" + cfg.get("Name") + "'");
               }
               if (isReplacedByAltSrc) {
                  wg.tagData("ExcludedFromBuild", "true", "Condition",
                             "'$(Configuration)|$(Platform)'=='" +
                             cfg.get("Name") + "'");
               }
            }
            wg.endTag();
         }

         String filter = startDir.relativize(file.getParent().toAbsolutePath()).toString();
         wg10.addFilterDependency(fileLoc, filter);

         return CONTINUE;
      }

      @Override
      public FileVisitResult preVisitDirectory(Path path, BasicFileAttributes attrs)
            throws IOException {
         Boolean hide = false;
         // TODO remove attrs, if path is matched in this dir, then it is too in every subdir.
         // And we will check anyway
         DirAttributes newAttr = attributes.peek().clone();

         // check per config ignorePaths!
         for (BuildConfig cfg : allConfigs) {
            if (cfg.matchesIgnoredPath(path.toAbsolutePath().toString())) {
               newAttr.setIgnore(cfg);
            }

            // Hide is always on all configs. And additional files are never hiddden
            if (cfg.matchesHidePath(path.toAbsolutePath().toString())) {
               hide = true;
               break;
            }
         }

         if (!hide) {
            String name = startDir.relativize(path.toAbsolutePath()).toString();
            if (!"".equals(name)) {
               wg10.addFilter(name);
            }

            attributes.push(newAttr);
            return super.preVisitDirectory(path, attrs);
         } else {
            return FileVisitResult.SKIP_SUBTREE;
         }
      }

      @Override
      public FileVisitResult postVisitDirectory(Path dir, IOException exc) {
         //end matching attributes set by ignorepath
         attributes.pop();
         return CONTINUE;
      }

      @Override
      public FileVisitResult visitFileFailed(Path file, IOException exc) {
         return CONTINUE;
      }

      public void writeFileTree() throws IOException {
         Files.walkFileTree(this.startDir, this);
      }
}

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