Class PackageBrowser


  • public class PackageBrowser
    extends java.lang.Object
    The PackageBrowser class allows browsing both archived and unarchived PEAR packages, finding package files and directories, loading installation descriptor files and returning run-time environment settings required for installed components.
    See Also:
    InstallationDescriptor
    • Constructor Summary

      Constructors 
      Constructor Description
      PackageBrowser​(java.io.File pearPackageDir)
      Constructor that allows browsing a given unacrhived PEAR package before or after its installation.
      PackageBrowser​(java.util.jar.JarFile pearPackage)
      Constructor that allows browsing a given PEAR package without unarchiving it.
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.lang.String buildComponentClassPath()
      Creates a string that should be added to the CLASSPATH to run the given installed component, based on its installation descriptor specifications, as well as the contents of its lib directory.
      java.lang.String buildComponentClassPath​(boolean relativePath, boolean addLibDir)
      Creates a string that should be added to the CLASSPATH to run the given installed component, based on its installation descriptor specifications, as well as the contents of its lib directory.
      java.lang.String buildComponentPath()
      Creates a string that should be added to the PATH to run the given installed component, based on the PEAR package defaults and its installation descriptor specifications.
      java.lang.String buildComponentPath​(boolean relativePath)
      Creates a string that should be added to the PATH to run the given installed component, based on the PEAR package defaults and its installation descriptor specifications.
      java.lang.String buildComponentRuntimeClassPath()
      Like buildComponentClassPath(), but without all jars from the lib dir.
      java.io.File[] findDirectory​(java.lang.String dirNamePattern)
      Looks for package directories matching a given directory name pattern in the PEAR package.
      java.io.File[] findFile​(java.lang.String fileNamePattern)
      Looks for package files matching a given file name pattern in the PEAR package.
      java.io.File findStandardDirectory​(java.lang.String stdDirName)
      Looks for a given standard package directory.
      java.io.File findStandardFile​(java.lang.String stdFileName)
      Looks for a given standard package file.
      java.io.File[] getAllDirectories()  
      java.io.File[] getAllFiles()  
      java.lang.String getComponentDataPath()
      Returns the UIMA datapath setting for the component.
      java.util.Properties getComponentEnvVars()
      Returns the environment variable settings for the component.
      java.lang.String getComponentPearDescPath()
      returns the pear component pearSpecifier file path.
      InstallationDescriptor getInstallationDescriptor()
      Loads the INSTALLATION_DESCRIPTOR_FILE file, and creates the InstallationDescriptor (InsD) object.
      java.io.File getRootDirectory()  
      boolean isArchived()  
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • BINARY_DIR

        public static final java.lang.String BINARY_DIR
      • CONFIGURATION_DIR

        public static final java.lang.String CONFIGURATION_DIR
      • DATA_DIR

        public static final java.lang.String DATA_DIR
      • DESCRIPTORS_DIR

        public static final java.lang.String DESCRIPTORS_DIR
      • DOCUMENTATION_DIR

        public static final java.lang.String DOCUMENTATION_DIR
      • LIBRARY_DIR

        public static final java.lang.String LIBRARY_DIR
      • METADATA_DIR

        public static final java.lang.String METADATA_DIR
      • RESOURCES_DIR

        public static final java.lang.String RESOURCES_DIR
      • SOURCES_DIR

        public static final java.lang.String SOURCES_DIR
      • INSTALLATION_DESCRIPTOR_FILE

        public static final java.lang.String INSTALLATION_DESCRIPTOR_FILE
      • PEAR_PROPERTIES_FILE

        public static final java.lang.String PEAR_PROPERTIES_FILE
      • SUBMISSION_PROPERTIES_FILE

        public static final java.lang.String SUBMISSION_PROPERTIES_FILE
      • SETENV_TXT_FILE

        public static final java.lang.String SETENV_TXT_FILE
    • Constructor Detail

      • PackageBrowser

        public PackageBrowser​(java.util.jar.JarFile pearPackage)
                       throws java.io.IOException
        Constructor that allows browsing a given PEAR package without unarchiving it.
        Parameters:
        pearPackage - The given archived PEAR package to browse.
        Throws:
        java.io.IOException - if a problem with IO
      • PackageBrowser

        public PackageBrowser​(java.io.File pearPackageDir)
                       throws java.io.IOException
        Constructor that allows browsing a given unacrhived PEAR package before or after its installation.
        Parameters:
        pearPackageDir - The root directory where the PEAR package was unarchived.
        Throws:
        java.io.IOException - if a problem with IO
    • Method Detail

      • buildComponentClassPath

        public java.lang.String buildComponentClassPath()
                                                 throws java.io.IOException
        Creates a string that should be added to the CLASSPATH to run the given installed component, based on its installation descriptor specifications, as well as the contents of its lib directory. The output string includes absolute path expressions for all relevant objects containing in the component PEAR package. If the component package is archived, returns null.
        Returns:
        The string that needs to be added to the CLASSPATH to run the given installed component.
        Throws:
        java.io.IOException - If any I/O exception occurred.
      • buildComponentRuntimeClassPath

        public java.lang.String buildComponentRuntimeClassPath()
                                                        throws java.io.IOException
        Like buildComponentClassPath(), but without all jars from the lib dir.
        Returns:
        The runtime classpath for the component.
        Throws:
        java.io.IOException - if there was an IO problem
      • buildComponentClassPath

        public java.lang.String buildComponentClassPath​(boolean relativePath,
                                                        boolean addLibDir)
                                                 throws java.io.IOException
        Creates a string that should be added to the CLASSPATH to run the given installed component, based on its installation descriptor specifications, as well as the contents of its lib directory. The output string includes absolute or relative path expressions for all relevant objects containing in the component PEAR package, depending on the value of a given boolean argument. If the component package is archived, returns null.
        Parameters:
        relativePath - If true, the output string will include relative path expressions for all relevant objects containing in the component PEAR package, otherwise it will contain absolute path expressions for these objects.
        addLibDir - Whether to add jars from the lib dir to the classpath (true at packaging time, false at runtime).
        Returns:
        The string that should be added to the CLASSPATH to run the given installed component.
        Throws:
        java.io.IOException - If any I/O exception occurred.
      • buildComponentPath

        public java.lang.String buildComponentPath()
                                            throws java.io.IOException
        Creates a string that should be added to the PATH to run the given installed component, based on the PEAR package defaults and its installation descriptor specifications. The output string includes absolute path expressions for all relevant objects containing in the component PEAR package. If the component package is archived, returns null.
        Returns:
        The string that needs to be added to the PATH to run the given installed component.
        Throws:
        java.io.IOException - If any I/O exception occurred.
      • buildComponentPath

        public java.lang.String buildComponentPath​(boolean relativePath)
                                            throws java.io.IOException
        Creates a string that should be added to the PATH to run the given installed component, based on the PEAR package defaults and its installation descriptor specifications. The output string includes absolute or relative path expressions for all relevant objects containing in the component PEAR package, depending on the value of a given boolean argument. If the component package is archived, returns null.
        Parameters:
        relativePath - If true, the output string will include relative path expressions for all relevant objects containing in the component PEAR package, otherwise it will contain absolute path expressions for these objects.
        Returns:
        The string that needs to be added to the PATH to run the given installed component.
        Throws:
        java.io.IOException - If any I/O exception occurred.
      • findDirectory

        public java.io.File[] findDirectory​(java.lang.String dirNamePattern)
        Looks for package directories matching a given directory name pattern in the PEAR package. If the given directory name pattern starts with '/' or '\', the method looks for directory names that start with the given name pattern, otherwise it looks for directory names that contain the given name pattern as a substring. The method does not support wild cards.
        Parameters:
        dirNamePattern - The given directory name pattern to look for.
        Returns:
        The array of matching package directories.
      • findFile

        public java.io.File[] findFile​(java.lang.String fileNamePattern)
        Looks for package files matching a given file name pattern in the PEAR package. If the given file name pattern starts with '/' or '\', the method looks for file names that start from the given name pattern, otherwise it looks for file names that contain the given name pattern as a substring. The method does not support wild cards.
        Parameters:
        fileNamePattern - The given file name pattern to look for.
        Returns:
        The array of matching package files.
      • findStandardDirectory

        public java.io.File findStandardDirectory​(java.lang.String stdDirName)
        Looks for a given standard package directory. This method assumes that the given standard directory name is the full name of the directory in the package root directory.
        Parameters:
        stdDirName - The given full standard package directory name.
        Returns:
        The specified standard package directory, if this directory exists in the package, null otherwise.
      • findStandardFile

        public java.io.File findStandardFile​(java.lang.String stdFileName)
        Looks for a given standard package file. This method assumes that the given standard file name is the full name of the file in the package root directory.
        Parameters:
        stdFileName - The given full standard package file name.
        Returns:
        The specified standard package file, if this file exists in the package, null otherwise.
      • getAllDirectories

        public java.io.File[] getAllDirectories()
        Returns:
        Array of File objects representing all directories existing in the package.
      • getAllFiles

        public java.io.File[] getAllFiles()
        Returns:
        Array of File objects representing all files existing in the package.
      • getInstallationDescriptor

        public InstallationDescriptor getInstallationDescriptor()
                                                         throws java.io.IOException
        Loads the INSTALLATION_DESCRIPTOR_FILE file, and creates the InstallationDescriptor (InsD) object. Note: if the component package has been installed, the InsD object contains real specifications of package directories, otherwise it may contain macros like $main_root.
        Returns:
        The InsD object corresponding the installation descriptor file.
        Throws:
        java.io.IOException - If any I/O exception occurred.
      • getRootDirectory

        public java.io.File getRootDirectory()
        Returns:
        The package root directory, where the package was unarchived, or the directory corresponding to the package file path without its extension, if the archived package was specified.
      • isArchived

        public boolean isArchived()
        Returns:
        true, if the archived package was specified, false otherwise.
      • getComponentPearDescPath

        public java.lang.String getComponentPearDescPath()
                                                  throws java.io.IOException
        returns the pear component pearSpecifier file path.
        Returns:
        returns the pear component pearSpecifier file path or null if an archived package was used.
        Throws:
        java.io.IOException - if there was an IO problem
      • getComponentDataPath

        public java.lang.String getComponentDataPath()
                                              throws java.io.IOException
        Returns the UIMA datapath setting for the component. The datapath of the component must be specified as environment variable with the key uima.datapath.
        Returns:
        the datapath setting for the component or null if the datapath is not specified.
        Throws:
        java.io.IOException - If any I/O exception occurred while reading the component meta data.
      • getComponentEnvVars

        public java.util.Properties getComponentEnvVars()
                                                 throws java.io.IOException
        Returns the environment variable settings for the component. The variable settings does not contain the classpath and uima.datapath settings for the component.
        Returns:
        returns the environment variable settings for the component
        Throws:
        java.io.IOException - If any I/O exception occurred while reading the component meta data.