Java Utililty Methods Is Jar File

List of utility methods to do Is Jar File

  1. HOME
  2. Java
  3. I
  4. Is Jar File

Description

The list of methods to do Is Jar File are organized into topic(s).

Method

booleanisJarFile(File jar)
is Jar File 
return jar.getName().endsWith(".jar");
booleanisJar(File file)
Test if a file looks like it contains a Jar 
try {
    new JarFile(file);
    return true;
} catch (Exception e) {
return false;
booleanisJarFile(File f)
is Jar File 
if (f != null) {
    if (f.getName().contains(".jar") || f.getAbsolutePath().contains(".jar")) {
        return true;
return false;
booleanisJar(final File element)
is Jar 
return (element.isFile() && element.getName().endsWith(JAR_SUFFIX));
booleanisJarFile(File file)
Returns true if the given file is a jar file and false otherwise. 
return file.isFile() && file.getName().toLowerCase().endsWith(JAR_EXTENSION);
booleanisJar(File file)
Is the file a JAR? 
try {
    JarFile jarFile = new JarFile(file); 
    jarFile.close(); 
    return true;
} catch (IOException e) {
    return false;
booleanisJar(File file)
is Jar 
return existsWithExtension(file, ".jar");
booleanisJar(InputStream is)
Check if this inputstream is a jar/zip 
try {
    JarInputStream jis = new JarInputStream(is);
    if (jis.getNextEntry() != null) {
        return true;
} catch (IOException ioe) {
return false;
...
booleanisJar(String file)
is Jar 
try {
    JarFile jar = new JarFile(file);
    JarEntry entry = jar.getJarEntry("META-INF/MANIFEST.MF");
    jar.close();
    return entry != null;
} catch (IOException e) {
    return false;