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Add a script to repackage windows zip as self-extracting jars

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This commit is contained in:
Kris De Volder
2019-10-16 15:45:59 -07:00
parent 28971de511
commit 00029c7f81
7 changed files with 47 additions and 7 deletions
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9
self-extracting-jar-creator/src/main/java/SelfExtractor.java
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@@ -53,7 +53,7 @@ public class SelfExtractor {
try (ZipOutputStream zipOut = new ZipOutputStream(new FileOutputStream(new File(repackagedPath)))) {
ZipEntry entry;
while ((entry = zipIn.getNextEntry())!=null) {
System.out.println("Adding: "+entry.getName());
//System.out.println("Adding: "+entry.getName());
if (entry.getName().equals("contents.zip")) {
//skip. We need to write the wrapped zip contents here.
} else {
@@ -67,7 +67,7 @@ public class SelfExtractor {
} //end while
entry = new ZipEntry("contents.zip");
zipOut.putNextEntry(entry);
System.out.println("Adding: "+entry.getName());
//System.out.println("Adding: "+entry.getName());
try (FileInputStream contentsZipIn = new FileInputStream(contentsZip)) {
copy(contentsZipIn, zipOut);
}
@@ -89,7 +89,8 @@ public class SelfExtractor {
String myResourceUrl = resource.toString();
//Example: jar:file:/home/.../self-extracing-jar-creator-0.0.1-SNAPSHOT.jar!/SelfExtractor.class
if (!myResourceUrl.startsWith("jar:file:")) {
File devJar = new File("target/self-extracing-jar-creator-0.0.1-SNAPSHOT.jar");
//For convenience in 'development mode' look for a local jar built by maven.
File devJar = new File("target/self-extracting-jar-creator-0.0.1-SNAPSHOT.jar");
if (devJar.isFile()) {
return devJar;
}
@@ -101,7 +102,7 @@ public class SelfExtractor {
private ZipInputStream openContentsZip() {
InputStream zip = this.getClass().getResourceAsStream(CONTENTS_ZIP_RSRC);
if (zip==null) {
throw new IllegalArgumentException("Couldn't find embedded '"+CONTENTS_ZIP_RSRC+"");
throw new IllegalArgumentException("Malformed archive: Couldn't find embedded '"+CONTENTS_ZIP_RSRC+"");
}
return new ZipInputStream(zip);
}