Merge pull request #1 from jstrachan/master

added support for library files (.d.ts) along with a watch option to recompile files when they change

Author: ppedregal

.gitignore

@@ -2,3 +2,6 @@ target
 /.project
 /.classpath
 /.settings
+.idea
+*.iml
+*.ipr

pom.xml

@@ -12,7 +12,8 @@
 
 <properties>
 <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-</properties>
+ <maven-version>2.0.9</maven-version>
+ </properties>
 
 <distributionManagement>
 <repository>
@@ -22,12 +23,20 @@
 </distributionManagement>
 
 <dependencies>
-<dependency>
-<groupId>org.apache.maven</groupId>
-<artifactId>maven-plugin-api</artifactId>
-<version>2.0</version>
-</dependency>
-<dependency>
+ <dependency>
+ <groupId>org.apache.maven</groupId>
+ <artifactId>maven-plugin-api</artifactId>
+ <version>${maven-version}</version>
+ <scope>provided</scope>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.maven</groupId>
+ <artifactId>maven-project</artifactId>
+ <version>${maven-version}</version>
+ <scope>provided</scope>
+ </dependency>
+
+ <dependency>
 <groupId>junit</groupId>
 <artifactId>junit</artifactId>
 <version>3.8.1</version>

src/main/java/com/ppedregal/typescript/maven/FileSetChangeMonitor.java

@@ -0,0 +1,72 @@
+package com.ppedregal.typescript.maven;
+
+import java.io.File;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.codehaus.plexus.util.DirectoryScanner;
+
+public class FileSetChangeMonitor
+{
+ private DirectoryScanner scanner = new DirectoryScanner();
+ 
+ private File baseDir;
+ 
+ private Map<String, File> fileCache = new HashMap<String, File>();
+ private Map<String, Long> fileTimestamps = new HashMap<String, Long>();
+ 
+ public FileSetChangeMonitor(File baseDir, String includePattern) {
+ this.baseDir = baseDir;
+ 
+ scanner.setBasedir( baseDir );
+ scanner.setIncludes(new String[] { includePattern } );
+ 
+ for(String path : getPaths()) {
+ rememberLastModifiedFor( path );
+ }
+ }
+ 
+ public List<String> getModifiedFilesSinceLastTimeIAsked() {
+ List<String> modified = new ArrayList<String>();
+ 
+ for(String path : getPaths()) {
+ if(hasBeenChangedSinceLastTimeIChecked(path)) {
+ modified.add( path );
+ }
+
+ rememberLastModifiedFor(path);
+ }
+ 
+ return modified;
+ }
+ 
+ private boolean hasSeen(String path) {
+ return fileCache.containsKey( path );
+ }
+ 
+ private boolean hasBeenChangedSinceLastTimeIChecked(String path) {
+ return !hasSeen(path) || fileTimestamps.get( path ) < getLastModifiedFor( path );
+ }
+
+ private void rememberLastModifiedFor(String path) {
+ fileTimestamps.put( path, getLastModifiedFor(path) );
+ }
+ 
+ private long getLastModifiedFor(String relativePath) {
+ return fileFrom(relativePath).lastModified();
+ }
+ 
+ private File fileFrom(String relativePath) {
+ if(!fileCache.containsKey( relativePath )) {
+ fileCache.put( relativePath, new File(baseDir, relativePath));
+ }
+ return fileCache.get( relativePath );
+ }
+ 
+ private String[] getPaths() {
+ scanner.scan();
+ return scanner.getIncludedFiles();
+ }
+}