From ee30abbf2d5ec1b812ab63b02d50d45c59fa8737 Mon Sep 17 00:00:00 2001 From: Imgaojp Date: Fri, 17 Feb 2017 15:57:51 +0800 Subject: [PATCH] implement Wildcard Entry --- src/com/gabongao/jvm/classpath/Entry.java | 14 ++-- .../jvm/classpath/Entry_Composite.java | 32 ++++++++- src/com/gabongao/jvm/classpath/Entry_Dir.java | 11 ++- .../jvm/classpath/Entry_Wildcard.java | 71 +++++++++++++++++++ src/com/gabongao/jvm/classpath/Entry_Zip.java | 3 +- .../jvm/classpath/Entry_CompositeTest.java | 54 ++++++++++++++ .../jvm/classpath/Entry_WildcardTest.java | 53 ++++++++++++++ 7 files changed, 225 insertions(+), 13 deletions(-) create mode 100644 src/com/gabongao/jvm/classpath/Entry_Wildcard.java create mode 100644 src/test/com/gabongao/jvm/classpath/Entry_CompositeTest.java create mode 100644 src/test/com/gabongao/jvm/classpath/Entry_WildcardTest.java diff --git a/src/com/gabongao/jvm/classpath/Entry.java b/src/com/gabongao/jvm/classpath/Entry.java index e39d24c..147d849 100644 --- a/src/com/gabongao/jvm/classpath/Entry.java +++ b/src/com/gabongao/jvm/classpath/Entry.java @@ -27,18 +27,18 @@ package com.gabongao.jvm.classpath; public abstract class Entry { static String pathListSeparator = System.getProperty("path.separator");//system path separator -// public Entry newEntry(String path) { + public static Entry newEntry(String path) { // if (path.contains(pathListSeparator)) { // return newCompositeEntry(path); // } // if (path.contains("*")) { -// return newWildcardEntry(path); +// return new WildcardEntry(path); // } -// if (path.contains(".jar") || path.contains(".zip") || path.contains(".JAR") || path.contains(".ZIP")) { -// return newZipEntry(path); -// } -// return newDirEntry(path); -// } + if (path.contains(".jar") || path.contains(".zip") || path.contains(".JAR") || path.contains(".ZIP")) { + return new Entry_Zip(path); + } + return new Entry_Dir(path); + } /** * read class from file diff --git a/src/com/gabongao/jvm/classpath/Entry_Composite.java b/src/com/gabongao/jvm/classpath/Entry_Composite.java index f25f1d4..76d151e 100644 --- a/src/com/gabongao/jvm/classpath/Entry_Composite.java +++ b/src/com/gabongao/jvm/classpath/Entry_Composite.java @@ -1,5 +1,8 @@ package com.gabongao.jvm.classpath; +import java.util.ArrayList; +import java.util.List; + /** * 　　　　　　　　┏┓　　　┏┓+ + * 　　　　　　　┏┛┻━━━┛┻┓ + + @@ -25,14 +28,39 @@ package com.gabongao.jvm.classpath; * Created by Imgaojp on 2017/2/17. */ public class Entry_Composite extends Entry { + List entries=new ArrayList<>(); + + public Entry_Composite() { + + } + + public Entry_Composite(String pathList) { + for (String str : pathList.split(super.pathListSeparator) + ) { + Entry entry = Entry.newEntry(str); + entries.add(entry); + } + } @Override public byte[] readClass(String className) { - return new byte[0]; + for (Entry entry:entries + ) { + byte[] bytes = entry.readClass(className); + if (bytes != null) { + return bytes; + } + } + return null; } @Override public String toString() { - return null; + StringBuilder sb = new StringBuilder(); + for (Entry entry:entries + ) { + sb.append(entry.toString()+"\t"); + } + return sb.toString(); } } diff --git a/src/com/gabongao/jvm/classpath/Entry_Dir.java b/src/com/gabongao/jvm/classpath/Entry_Dir.java index 3ccb43a..7c6945d 100644 --- a/src/com/gabongao/jvm/classpath/Entry_Dir.java +++ b/src/com/gabongao/jvm/classpath/Entry_Dir.java @@ -61,14 +61,19 @@ public class Entry_Dir extends Entry { ) { System.out.printf("%x",b); } + System.out.println(); return bos.toByteArray(); } catch (Exception e) { - e.printStackTrace(); + System.out.println("Class "+className+" not found"+" in "+absDir); try { - inputStream.close(); + try { + inputStream.close(); + } catch (Exception e1) { + System.out.println("inputStream does not exist"); + } bos.close(); } catch (Exception e1) { - e1.printStackTrace(); + System.out.println("bos close error"); } } return null; diff --git a/src/com/gabongao/jvm/classpath/Entry_Wildcard.java b/src/com/gabongao/jvm/classpath/Entry_Wildcard.java new file mode 100644 index 0000000..0a23799 --- /dev/null +++ b/src/com/gabongao/jvm/classpath/Entry_Wildcard.java @@ -0,0 +1,71 @@ +package com.gabongao.jvm.classpath; + +import java.io.File; +import java.nio.file.DirectoryStream; +import java.nio.file.Files; +import java.nio.file.Path; +import java.nio.file.Paths; +import java.util.ArrayList; +import java.util.List; + +/** + * 　　　　　　　　┏┓　　　┏┓+ + + * 　　　　　　　┏┛┻━━━┛┻┓ + + + * 　　　　　　　┃　　　　　　　┃ + * 　　　　　　　┃　　　━　　　┃ ++ + + + + * 　　　　　　 ████━████ ┃+ + * 　　　　　　　┃　　　　　　　┃ + + * 　　　　　　　┃　　　┻　　　┃ + * 　　　　　　　┃　　　　　　　┃ + + + * 　　　　　　　┗━┓　　　┏━┛ + * 　　　　　　　　　┃　　　┃ + * 　　　　　　　　　┃　　　┃ + + + + + * 　　　　　　　　　┃　　　┃　　　　Code is far away from bug with the animal protecting + * 　　　　　　　　　┃　　　┃ + 　　　　神兽保佑,代码无bug + * 　　　　　　　　　┃　　　┃ + * 　　　　　　　　　┃　　　┃　　+ + * 　　　　　　　　　┃　 　　┗━━━┓ + + + * 　　　　　　　　　┃ 　　　　　　　┣┓ + * 　　　　　　　　　┃ 　　　　　　　┏┛ + * 　　　　　　　　　┗┓┓┏━┳┓┏┛ + + + + + * 　　　　　　　　　　┃┫┫　┃┫┫ + * 　　　　　　　　　　┗┻┛　┗┻┛+ + + + + * Created by Imgaojp on 2017/2/17. + */ +public class Entry_Wildcard extends Entry { + String baseDir = ""; + List entryList = new ArrayList<>(); + + public Entry_Wildcard(String path) { + File file = new File(path.substring(0, path.length() - 1)); + baseDir = file.getAbsolutePath(); + } + + + @Override + public byte[] readClass(String className) { + + Path dir = Paths.get(baseDir); + try (DirectoryStream stream = Files.newDirectoryStream(dir)) { + for (Path e:stream + ) { + String fileName = e.getFileName().toString(); + if ((!e.toFile().isDirectory()) && (fileName.contains(".jar") || fileName.contains(".JAR"))) { + entryList.add(new Entry_Zip(e.getParent()+"\\"+fileName)); + } + } + } catch (Exception e) { + e.printStackTrace(); + } + for (Entry entry : entryList + ) { + entry.readClass(className); + } + return null; + } + + @Override + public String toString() { + return baseDir; + } +} diff --git a/src/com/gabongao/jvm/classpath/Entry_Zip.java b/src/com/gabongao/jvm/classpath/Entry_Zip.java index 487d854..fa2b495 100644 --- a/src/com/gabongao/jvm/classpath/Entry_Zip.java +++ b/src/com/gabongao/jvm/classpath/Entry_Zip.java @@ -63,12 +63,13 @@ public class Entry_Zip extends Entry { ) { System.out.printf("%x",b); } + System.out.println(); return bos.toByteArray(); } entry = jarInput.getNextJarEntry(); } } catch (Exception e) { - e.printStackTrace(); + System.out.println("Class "+className+" not found"+" in "+absPath); } return null; } diff --git a/src/test/com/gabongao/jvm/classpath/Entry_CompositeTest.java b/src/test/com/gabongao/jvm/classpath/Entry_CompositeTest.java new file mode 100644 index 0000000..27376c8 --- /dev/null +++ b/src/test/com/gabongao/jvm/classpath/Entry_CompositeTest.java @@ -0,0 +1,54 @@ +package test.com.gabongao.jvm.classpath; + +import com.gabongao.jvm.classpath.Entry_Composite; +import junit.framework.Test; +import junit.framework.TestSuite; +import junit.framework.TestCase; + +/** +* Entry_Composite Tester. +* +* @author +* @since 
02/17/2017
+* @version 1.0 +*/ +public class Entry_CompositeTest extends TestCase { +public Entry_CompositeTest(String name) { +super(name); +} + +public void setUp() throws Exception { +super.setUp(); +} + +public void tearDown() throws Exception { +super.tearDown(); +} + +/** +* +* Method: readClass(String className) +* +*/ +public void testReadClass() throws Exception { +//TODO: Test goes here... + Entry_Composite entry_composite = new Entry_Composite("D:\\Programming\\Java\\JVM\\src\\com\\gabongao\\jvm\\classpath;D:\\Programming\\Java\\JVM\\out\\production\\JVM\\com\\gabongao\\jvm\\;D:\\Programming\\Java\\JVM\\lib\\commons-cli-1.3.1;C:\\Program Files\\Java\\jdk1.8.0_77\\jre\\lib\\jfxswt.jar"); + entry_composite.readClass("javafx/embed/swt/CustomTransfer.class"); + System.out.println(entry_composite.toString()); +} + +/** +* +* Method: toString() +* +*/ +public void testToString() throws Exception { +//TODO: Test goes here... +} + + + +public static Test suite() { +return new TestSuite(Entry_CompositeTest.class); +} +} diff --git a/src/test/com/gabongao/jvm/classpath/Entry_WildcardTest.java b/src/test/com/gabongao/jvm/classpath/Entry_WildcardTest.java new file mode 100644 index 0000000..49457a3 --- /dev/null +++ b/src/test/com/gabongao/jvm/classpath/Entry_WildcardTest.java @@ -0,0 +1,53 @@ +package test.com.gabongao.jvm.classpath; + +import com.gabongao.jvm.classpath.Entry_Wildcard; +import junit.framework.Test; +import junit.framework.TestSuite; +import junit.framework.TestCase; + +/** +* Entry_Wildcard Tester. +* +* @author +* @since 
02/17/2017
+* @version 1.0 +*/ +public class Entry_WildcardTest extends TestCase { +public Entry_WildcardTest(String name) { +super(name); +} + +public void setUp() throws Exception { +super.setUp(); +} + +public void tearDown() throws Exception { +super.tearDown(); +} + +/** +* +* Method: readClass(String className) +* +*/ +public void testReadClass() throws Exception { +//TODO: Test goes here... + Entry_Wildcard entry_wildcard = new Entry_Wildcard("C:\\Program Files\\Java\\jdk1.8.0_77\\jre\\lib\\*"); + entry_wildcard.readClass("javafx/embed/swt/CustomTransfer.class"); +} + +/** +* +* Method: toString() +* +*/ +public void testToString() throws Exception { +//TODO: Test goes here... +} + + + +public static Test suite() { +return new TestSuite(Entry_WildcardTest.class); +} +}