source: branches/t3e-tools/org.etsi.common/src/org/etsi/common/InputInterface.java @ 26

package org.etsi.common;

import java.io.File;
import java.io.FileFilter;
import java.io.IOException;
import java.util.LinkedList;
import java.util.List;

public class InputInterface {
        //TODO: can be transformed to static
        
        private String projectExt = "t3p";
        private String extRegExp = "ttcn|ttcn3";
        private boolean recursive = true;

        public InputInterface(String resourceExtRegExp, boolean recursive){
                this.extRegExp = resourceExtRegExp;
                this.recursive = recursive;
        }

        
        public InputInterface(String resourceExtRegExp, String projectExt, boolean recursive){
                this.extRegExp = resourceExtRegExp;
                this.projectExt = projectExt;
                this.recursive = recursive;
        }
        
        public void setExtRegExp(String extRegExp) {
                this.extRegExp = extRegExp;
        }

        public String getExtRegExp() {
                return extRegExp;
        }

        public void setRecursive(boolean recursive) {
                this.recursive = recursive;
        }

        public boolean isRecursive() {
                return recursive;
        }
        
        public List<String> inputFromFile(String filename){
                List<String> files = new LinkedList<String>();
                File file = new File(filename);
                if (file.isFile() && ExtensionFilter.checkFileExtension(file, extRegExp)){
                        files.add(file.getPath());
                }
                return files;
        }

        public List<String> inputFromDirectory(String directory){
                List<String> files = new LinkedList<String>();
                File inputDir = new File(directory);
                File[] fileList = inputDir.listFiles(new ExtensionFilter(this.getExtRegExp()));

                for (int i = 0; i < fileList.length; i++) {
                        files.add(fileList[i].getPath());
                }

                File[] dirList = inputDir.listFiles(new FileFilter() {
                        public boolean accept(File pathname) {
                                if (pathname.isDirectory())
                                        return true;
                                return false;
                        }
                });

                if (this.isRecursive()){
                        for (int i = 0; i < dirList.length; i++) {
                                files.addAll(inputFromDirectory(dirList[i].getPath()));
                        }
                }
                
                return files;
        }

        public List<String> inputFromWildcard(String wildcard){
                List<String> files = new LinkedList<String>();
                File wildcardFile = new File(wildcard);
                System.out.println("Expanding wildcard \""+wildcard+"\"...");
                File wildcardParentFile = wildcardFile.getParentFile();
                if (wildcardParentFile == null) {
                        wildcardParentFile = new File(".");
                }
                //TODO: needs to check if it is null and handle the situation
                if (wildcardParentFile.isDirectory()){
                        File[] fileList = wildcardParentFile.listFiles(new WildcardFilter(wildcardFile));
                        for (int i = 0; i < fileList.length; i++) {
                                System.out.println("      ->"+fileList[i].getPath());
                                files.addAll(this.getInputFromParameter(fileList[i].getPath()));
                        }
                } else {
                        //invalid parent directory, return
                }
                if (files.isEmpty()) {
                        System.out.println("      ->No files found!");
                }
                return files;
        }

        public List<String> inputFromProject(String projectFilename){
                List<String> files = new LinkedList<String>();
                System.out.println("Reading input files from project file \""+projectFilename+"\"...");
                //TODO: Fill with content
                String projectFile = MiscTools.readFile(projectFilename);
                String[] lines = projectFile.split("\n");
                for (String line : lines) {
                        if (!line.matches("\\s*")) {//.equals("")) {
                                System.out.println("  "+line);
                                files.addAll(this.getInputFromParameter(line));
                        }
                }
                return files;
        }

        public void addToProject(List<String> files, String projectFilename){
                //TODO: Fill with content               
        }
        
        //TODO: this will make other duplicate checks obsolete
        public static List<String> filterAbsoluteDuplicates(List<String> inputFiles) {
                List<String> filteredInputFiles = new LinkedList<String>();
                List<String> absolutePaths = new LinkedList<String>();
                for (String inputFile : inputFiles) {
                        try {
                                String canonicalPath = new File(inputFile).getCanonicalPath();
                                if (!absolutePaths.contains(canonicalPath)) {
                                        absolutePaths.add(canonicalPath);
                                        filteredInputFiles.add(inputFile);
                                }
                        } catch (IOException e) {
                                // TODO Auto-generated catch block
                                e.printStackTrace();
                        }
                }
                return filteredInputFiles;
        }
        
        //TODO: review, may be superfluous
        public List<String> getInputFromParameterList(List<String> parameters) {
                List<String> inputFiles = new LinkedList<String>();
                for (int i = 0; i < parameters.size(); i++) {
                        List<String> fileList = getInputFromParameter(parameters.get(i));
                        for (int f = 0; f < fileList.size(); f++) {
                                String filename = fileList.get(f);
                                if (!inputFiles.contains(filename)) {
                                        inputFiles.add(filename);
                                } else {
                                        System.out.println("Entry \"" + filename
                                                        + "\" already present in the list, skipping..");
                                }
                        }
                }
                return inputFiles;
        }

        
        public List<String> getInputFromParameter(String inputParameter){
                List<String> inputFiles = new LinkedList<String>();
                File inputParameterFile = new File(inputParameter.trim());
                if (inputParameterFile.isDirectory()){
                        if (this.isRecursive()){
                                System.out.println("Collecting ttcn3 files recursively in \""
                                                + inputParameter + "\" ...");
                        } else {
                                System.out.println("Collecting ttcn3 files non-recursively in \""
                                                + inputParameter + "\" ...");
                        }
                        inputFiles = inputFromDirectory(inputParameter);
                } else {
                        if (inputParameterFile.isFile()){
                                if (inputParameterFile.getName().endsWith("."+projectExt)){
                                        inputFiles = inputFromProject(inputParameter);
                                } else {
                                        inputFiles = inputFromFile(inputParameter);
                                }
                        } else {
                                inputFiles = inputFromWildcard(inputParameter);
                        }
                }
                return inputFiles;
        }

}