close jar file; bump version

README.md

@@ -14,7 +14,7 @@ Apk-parser has been submitted to maven central repo. With maven, you can add apk
 <dependency>
     <groupId>net.dongliu</groupId>
     <artifactId>apk-parser</artifactId>
-    <version>2.2.0</version>
+    <version>2.2.1</version>
 </dependency>
 ```
 From version 2.0, apk-parser requires java7. The last version support java6 is 1.7.4.

pom.xml

@@ -13,7 +13,7 @@
     <artifactId>apk-parser</artifactId>
     <name>apk-parser</name>
     <packaging>jar</packaging>
-    <version>2.2.0</version>
+    <version>2.2.1</version>
     <url>https://github.com/xiaxiaocao/apk-parser</url>
     <developers>
         <developer>
@@ -92,7 +92,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
-                <version>2.9.1</version>
+                <version>2.10.4</version>
                 <executions>
                     <execution>
                         <id>attach-javadoc</id>

src/main/java/net/dongliu/apk/parser/AbstractApkFile.java

@@ -15,7 +15,7 @@
 
 /**
  * Common Apk Parser methods.
- * This Class is not thread-safe
+ * This Class is not thread-safe.
  *
  * @author Liu Dong
  */

src/main/java/net/dongliu/apk/parser/ApkFile.java

@@ -75,23 +75,24 @@ public ApkSignStatus verifyApk() throws IOException {
             return ApkSignStatus.notSigned;
         }
 
-        JarFile jarFile = new JarFile(this.apkFile);
-        Enumeration<JarEntry> entries = jarFile.entries();
-        byte[] buffer = new byte[8192];
+        try (JarFile jarFile = new JarFile(this.apkFile)) {
+            Enumeration<JarEntry> entries = jarFile.entries();
+            byte[] buffer = new byte[8192];
 
-        while (entries.hasMoreElements()) {
-            JarEntry e = entries.nextElement();
-            if (e.isDirectory()) {
-                continue;
-            }
-            try (InputStream in = jarFile.getInputStream(e)) {
-                // Read in each jar entry. A security exception will be thrown if a signature/digest check fails.
-                int count;
-                while ((count = in.read(buffer, 0, buffer.length)) != -1) {
-                    // Don't care
+            while (entries.hasMoreElements()) {
+                JarEntry e = entries.nextElement();
+                if (e.isDirectory()) {
+                    continue;
+                }
+                try (InputStream in = jarFile.getInputStream(e)) {
+                    // Read in each jar entry. A security exception will be thrown if a signature/digest check fails.
+                    int count;
+                    while ((count = in.read(buffer, 0, buffer.length)) != -1) {
+                        // Don't care
+                    }
+                } catch (SecurityException se) {
+                    return ApkSignStatus.incorrect;
                 }
-            } catch (SecurityException se) {
-                return ApkSignStatus.incorrect;
             }
         }
         return ApkSignStatus.signed;

src/main/java/net/dongliu/apk/parser/ApkParsers.java

@@ -7,7 +7,7 @@
 import java.util.Locale;
 
 /**
- * Static utils method for parse apk file
+ * Convenient utils method for parse apk file
  *
  * @author Liu Dong
  */

src/main/java/net/dongliu/apk/parser/parser/CertificateParser.java

@@ -61,13 +61,13 @@ public void parse() throws IOException, CertificateException {
 
 
     private String md5Digest(byte[] input) throws IOException {
-        MessageDigest digest = getDigest("Md5");
+        MessageDigest digest = getDigest("md5");
         digest.update(input);
         return getHexString(digest.digest());
     }
 
     private String md5Digest(String input) throws IOException {
-        MessageDigest digest = getDigest("Md5");
+        MessageDigest digest = getDigest("md5");
         digest.update(input.getBytes(StandardCharsets.UTF_8));
         return getHexString(digest.digest());
     }