Package org.eclipse.jetty.util.resource

Class JarFileResource

  • All Implemented Interfaces:
    java.io.Closeable, java.lang.AutoCloseable, ResourceFactory
    public class JarFileResource
extends JarResource

    • Field Detail

      • LOG

        private static final Logger LOG

      • _jarFile

        private java.util.jar.JarFile _jarFile

      • _file

        private java.io.File _file

      • _list

        private java.lang.String[] _list

      • _entry

        private java.util.jar.JarEntry _entry

      • _directory

        private boolean _directory

      • _jarUrl

        private java.lang.String _jarUrl

      • _path

        private java.lang.String _path

      • _exists

        private boolean _exists

    • Constructor Detail

      • JarFileResource

        protected JarFileResource​(java.net.URL url)

      • JarFileResource

        protected JarFileResource​(java.net.URL url,
                          boolean useCaches)

    • Method Detail

      • close

        public void close()
        Description copied from class: URLResource
        Release any resources held by the resource.
        Specified by:
        close in interface java.lang.AutoCloseable
        Specified by:
        close in interface java.io.Closeable
        Overrides:
        close in class JarResource

      • newConnection

        protected void newConnection()
                      throws java.io.IOException
        Overrides:
        newConnection in class JarResource
        Throws:
        java.io.IOException - Sub-classes of JarResource may throw an IOException (or subclass)

      • exists

        public boolean exists()
        Returns true if the represented resource exists.
        Overrides:
        exists in class JarResource
        Returns:
        true if the represented resource exists.

      • isDirectory

        public boolean isDirectory()
        Returns true if the represented resource is a container/directory. If the resource is not a file, resources ending with "/" are considered directories.
        Overrides:
        isDirectory in class URLResource
        Returns:
        true if the represented resource is a container/directory. if the resource is not a file, resources ending with "/" are considered directories.

      • lastModified

        public long lastModified()
        Returns the last modified time
        Overrides:
        lastModified in class URLResource
        Returns:
        the last modified time as milliseconds since unix epoch

      • list

        public java.lang.String[] list()
        Description copied from class: URLResource
        Returns a list of resource names contained in the given resource
        Overrides:
        list in class URLResource
        Returns:
        a list of resource names contained in the given resource, or null. Note: The resource names are not URL encoded.

      • listEntries

        private java.util.List<java.lang.String> listEntries()

      • length

        public long length()
        Return the length of the resource
        Overrides:
        length in class URLResource
        Returns:
        the length of the resource

      • getNonCachingResource

        public static Resource getNonCachingResource​(Resource resource)
        Take a Resource that possibly might use URLConnection caching and turn it into one that doesn't.
        Parameters:
        resource - the JarFileResource to obtain without URLConnection caching.
        Returns:
        the non-caching resource

      • isContainedIn

        public boolean isContainedIn​(Resource resource)
                      throws java.net.MalformedURLException
        Check if this jar:file: resource is contained in the named resource. Eg jar:file:///a/b/c/foo.jar!/x.html isContainedIn file:///a/b/c/foo.jar
        Overrides:
        isContainedIn in class URLResource
        Parameters:
        resource - the resource to test for
        Returns:
        true if resource is contained in the named resource
        Throws:
        java.net.MalformedURLException - if unable to process is contained due to invalid URL format

      • getJarFile

        public java.io.File getJarFile()