bloritsch 00/12/14 06:43:20
Modified: src/org/apache/cocoon/components/language/programming Tag:
xml-cocoon2 CompiledProgrammingLanguage.java
Log:
Formatting change only. Due to the mix of tabs and spaces, it is impossible
to track where conditional statements begin and end. This is fixed now.
Revision Changes Path
No revision
No revision
1.1.2.12 +130 -189
xml-cocoon/src/org/apache/cocoon/components/language/programming/Attic/CompiledProgrammingLanguage.java
Index: CompiledProgrammingLanguage.java
===================================================================
RCS file:
/home/cvs/xml-cocoon/src/org/apache/cocoon/components/language/programming/Attic/CompiledProgrammingLanguage.java,v
retrieving revision 1.1.2.11
retrieving revision 1.1.2.12
diff -u -r1.1.2.11 -r1.1.2.12
--- CompiledProgrammingLanguage.java 2000/12/13 16:14:54 1.1.2.11
+++ CompiledProgrammingLanguage.java 2000/12/14 14:43:16 1.1.2.12
@@ -1,212 +1,153 @@
-/*****************************************************************************
+/**
+ ****************************************************************************
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* -------------------------------------------------------------------------
*
* This software is published under the terms of the Apache Software License
*
* version 1.1, a copy of which has been included with this distribution in
*
* the LICENSE file.
*
-
*****************************************************************************/
+ */
+
package org.apache.cocoon.components.language.programming;
import java.io.File;
-
import org.apache.avalon.Parameters;
-
import org.apache.avalon.Composer;
import org.apache.avalon.Component;
import org.apache.avalon.ComponentManager;
-
import org.apache.cocoon.Cocoon;
import org.apache.cocoon.Roles;
import org.apache.cocoon.util.ClassUtils;
import org.apache.cocoon.components.language.LanguageException;
/**
- * A compiled programming language. This class extends
- * <code>AbstractProgrammingLanguage</code> adding support for compilation
+ * A compiled programming language. This class extends
<code>AbstractProgrammingLanguage</code> adding support for compilation
* and object program files
- *
* @author <a href="mailto:[EMAIL PROTECTED]">Ricardo Rocha</a>
- * @version CVS $Revision: 1.1.2.11 $ $Date: 2000/12/13 16:14:54 $
+ * @version CVS $Revision: 1.1.2.12 $ $Date: 2000/12/14 14:43:16 $
*/
-public abstract class CompiledProgrammingLanguage
- extends AbstractProgrammingLanguage
- implements Composer
-{
- /** The compiler */
- protected Class compilerClass;
-
- /** The component manager */
- protected ComponentManager manager;
-
- /** The local classpath */
- protected String classpath;
-
- /** The source deletion option */
- protected boolean deleteSources = false;
-
- /**
- * Set the configuration parameters. This method instantiates the
- * sitemap-specified language compiler
- *
- * @param params The configuration parameters
- * @exception Exception If the language compiler cannot be loaded
- */
- protected void setParameters(Parameters params) throws Exception {
- super.setParameters(params);
-
- String compilerClass = params.getParameter("compiler", null);
- if (compilerClass == null) {
- throw new LanguageException(
- "Missing 'compiler' parameter for compiled language '" +
- this.getLanguageName() + "'"
- );
+public abstract class CompiledProgrammingLanguage extends
AbstractProgrammingLanguage implements Composer {
+ /** The compiler */
+ protected Class compilerClass;
+
+ /** The component manager */
+ protected ComponentManager manager;
+
+ /** The local classpath */
+ protected String classpath;
+
+ /** The source deletion option */
+ protected boolean deleteSources = false;
+
+ /**
+ * Set the configuration parameters. This method instantiates the
sitemap-specified language compiler
+ * @param params The configuration parameters
+ * @exception Exception If the language compiler cannot be loaded
+ */
+ protected void setParameters(Parameters params) throws Exception {
+ super.setParameters(params);
+ String compilerClass = params.getParameter("compiler", null);
+ if (compilerClass == null) {
+ throw new LanguageException("Missing 'compiler' parameter for
compiled language '" + this.getLanguageName() + "'");
+ }
+ this.compilerClass = ClassUtils.loadClass(compilerClass);
+ this.deleteSources = params.getParameterAsBoolean("delete-sources",
false);
+ }
+
+ /**
+ * Set the global component manager
+ * @param manager The global component manager
+ */
+ public void compose(ComponentManager manager) {
+ this.manager = manager;
+ try {
+ log.debug("Looking up " + Roles.COCOON);
+ this.classpath =
((Cocoon)this.manager.lookup(Roles.COCOON)).getClasspath();
+ } catch (Exception e) {
+ log.error("Could not find component", e);
+ }
+ }
+
+ /**
+ * Return the language's canonical object file extension.
+ * @return The object file extension
+ */
+ public abstract String getObjectExtension();
+
+ /**
+ * Unload a previously loaded program
+ * @param program A previously loaded object program
+ * @exception LanguageException If an error occurs during unloading
+ */
+ public abstract void doUnload(Object program) throws LanguageException;
+
+ /**
+ * Unload a previously loaded program given its original filesystem
location
+ * @param program The previously loaded object program
+ * @param filename The base filename of the object program
+ * @param baseDirectory The directory contaning the object program file
+ * @return the value
+ * @exception EXCEPTION_NAME If an error occurs
+ */
+ protected final void doUnload(Object program, String filename, File
baseDirectory) throws LanguageException {
+ File file = new File(baseDirectory, filename + "." +
this.getObjectExtension());
+ file.delete();
+ this.doUnload(program);
+ }
+
+ /**
+ * Actually load an object program from a file.
+ * @param filename The object program base file name
+ * @param baseDirectory The directory containing the object program file
+ * @return The loaded object program
+ * @exception LanguageException If an error occurs during loading
+ */
+ protected abstract Object loadProgram(String filename, File
baseDirectory) throws LanguageException;
+
+ /**
+ * Compile a source file yielding a loadable object file.
+ * @param filename The object program base file name
+ * @param baseDirectory The directory containing the object program file
+ * @param encoding The encoding expected in the source file or
<code>null</code> if it is the platform's default encoding
+ * @exception LanguageException If an error occurs during compilation
+ */
+ protected abstract void compile(String filename, File baseDirectory,
String encoding) throws LanguageException;
+
+ /**
+ * Load an object program from a file. This method compiled the
corresponding source file if necessary
+ * @param filename The object program base file name
+ * @param baseDirectory The directory containing the object program file
+ * @param encoding The encoding expected in the source file or
<code>null</code> if it is the platform's default encoding
+ * @return The loaded object program
+ * @exception LanguageException If an error occurs during compilation
+ */
+ public Object load(String filename, File baseDirectory, String encoding)
throws LanguageException {
+ // Does object file exist? Load and return instance
+ File objectFile = new File(baseDirectory, filename + "." +
this.getObjectExtension());
+ if (objectFile.exists() && objectFile.isFile() &&
objectFile.canRead()) {
+ return this.loadProgram(filename, baseDirectory);
+ }
+ // Does source file exist?
+ File sourceFile = new File(baseDirectory, filename + "." +
this.getSourceExtension());
+ if (!sourceFile.exists()) {
+ throw new LanguageException("Can't load program - File doesn't
exist: " + baseDirectory.toString() +
+ File.separator + filename);
+ }
+ if (!sourceFile.isFile()) {
+ throw new LanguageException("Can't load program - File is not a
normal file: " + baseDirectory.toString() +
+ File.separator + filename);
+ }
+ if (!sourceFile.canRead()) {
+ throw new LanguageException("Can't load program - File cannot be
read: " + baseDirectory.toString() +
+ File.separator + filename);
+ }
+ this.compile(filename, baseDirectory, encoding);
+ if (this.deleteSources) {
+ sourceFile.delete();
+ }
+ Object program = this.loadProgram(filename, baseDirectory);
+ if (program == null) {
+ throw new LanguageException("Can't load program : " +
baseDirectory.toString() + File.separator + filename);
+ }
+ return program;
}
- this.compilerClass = ClassUtils.loadClass(compilerClass);
-
- this.deleteSources = params.getParameterAsBoolean("delete-sources",
false);
- }
-
- /**
- * Set the global component manager
- *
- * @param manager The global component manager
- */
- public void compose(ComponentManager manager) {
- this.manager = manager;
- try {
- log.debug("Looking up " + Roles.COCOON);
- this.classpath = ((Cocoon)
this.manager.lookup(Roles.COCOON)).getClasspath();
- } catch (Exception e) {
- log.error("Could not find component", e);
- }
- }
-
- /**
- * Return the language's canonical object file extension.
- *
- * @return The object file extension
- */
- public abstract String getObjectExtension();
-
- /**
- * Unload a previously loaded program
- *
- * @param program A previously loaded object program
- * @exception LanguageException If an error occurs during unloading
- */
- public abstract void doUnload(Object program) throws LanguageException;
-
- /**
- * Unload a previously loaded program given its original filesystem
location
- *
- * @param program The previously loaded object program
- * @param filename The base filename of the object program
- * @param baseDirectory The directory contaning the object program file
- * @return the value
- * @exception EXCEPTION_NAME If an error occurs
- */
- protected final void doUnload(
- Object program, String filename, File baseDirectory
- )
- throws LanguageException
- {
- File file = new File (
- baseDirectory, filename + "." + this.getObjectExtension()
- );
-
- file.delete();
-
- this.doUnload(program);
- }
-
- /**
- * Actually load an object program from a file.
- *
- * @param filename The object program base file name
- * @param baseDirectory The directory containing the object program file
- * @return The loaded object program
- * @exception LanguageException If an error occurs during loading
- */
- protected abstract Object loadProgram(String filename, File baseDirectory)
- throws LanguageException;
-
- /**
- * Compile a source file yielding a loadable object file.
- *
- * @param filename The object program base file name
- * @param baseDirectory The directory containing the object program file
- * @param encoding The encoding expected in the source file or
- * <code>null</code> if it is the platform's default encoding
- * @exception LanguageException If an error occurs during compilation
- */
- protected abstract void compile(
- String filename, File baseDirectory, String encoding
- ) throws LanguageException;
-
- /**
- * Load an object program from a file. This method compiled the
- * corresponding source file if necessary
- *
- * @param filename The object program base file name
- * @param baseDirectory The directory containing the object program file
- * @param encoding The encoding expected in the source file or
- * <code>null</code> if it is the platform's default encoding
- * @return The loaded object program
- * @exception LanguageException If an error occurs during compilation
- */
- public Object load(String filename, File baseDirectory, String encoding)
- throws LanguageException
- {
- // Does object file exist? Load and return instance
- File objectFile = new File(
- baseDirectory, filename + "." + this.getObjectExtension()
- );
-
- if (objectFile.exists() && objectFile.isFile() && objectFile.canRead()) {
- return this.loadProgram(filename, baseDirectory);
- }
-
- // Does source file exist?
- File sourceFile = new File(
- baseDirectory, filename + "." + this.getSourceExtension()
- );
-
- if (!sourceFile.exists()) {
- throw new LanguageException(
- "Can't load program - File doesn't exist: " +
- baseDirectory.toString() + File.separator + filename
- );
- }
-
- if (!sourceFile.isFile()) {
- throw new LanguageException(
- "Can't load program - File is not a normal file: " +
- baseDirectory.toString() + File.separator + filename
- );
- }
-
- if (!sourceFile.canRead()) {
- throw new LanguageException(
- "Can't load program - File cannot be read: " +
- baseDirectory.toString() + File.separator + filename
- );
- }
-
- this.compile(filename, baseDirectory, encoding);
-
- if (this.deleteSources) {
- sourceFile.delete();
- }
-
- Object program = this.loadProgram(filename, baseDirectory);
-
- if(program == null) {
- throw new LanguageException(
- "Can't load program : " +
- baseDirectory.toString() + File.separator + filename
- );
- }
-
- return program;
- }
}
