";
-
- try {
- File file = new File(templateFilename);
- DataInputStream stream = new DataInputStream(new FileInputStream(file));
- BufferedReader reader = new BufferedReader(new InputStreamReader(stream));
- StringBuffer buffer = new StringBuffer();
-
- int c;
- while((c = reader.read()) != -1) {
- buffer.append((char)c);
- }
-
- template = buffer.toString();
- reader.close();
- } catch (IOException e) {
- System.out.println(e.getMessage());
- messageAndExit("GenSwingBeanInfo: Couldn't load template: " + templateFilename + e);
- }
- return template;
- }
-
-
- /**
- * Generates a string for the BeanDescriptor
- */
- private String genBeanDescriptor(DocBeanInfo dbi) {
- String code = "";
- int beanflags = dbi.beanflags;
-
- // we support export, hidden, preferred
- if ((beanflags & DocBeanInfo.EXPERT) != 0)
- code += " sun.swing.BeanInfoUtils.EXPERT, Boolean.TRUE,\n";
- if ((beanflags & DocBeanInfo.HIDDEN) !=0)
- code += " sun.swing.BeanInfoUtils.HIDDEN, Boolean.TRUE,\n";
- /* 1.2 only - make sure build flag build using 1.2 */
- if ((beanflags & DocBeanInfo.PREFERRED) !=0)
- code += " sun.swing.BeanInfoUtils.PREFERRED, Boolean.TRUE,\n";
- if (!(dbi.customizerclass.equals("null")))
- code += " sun.swing.BeanInfoUtils.CUSTOMIZERCLASS, " + dbi.customizerclass + ".class,\n";
-
- if (dbi.attribs != null) {
- code += genAttributes(dbi.attribs);
- }
-
- return code;
- }
-
- /**
- * Generates the code for the attributes table.
- */
- private String genAttributes(HashMap attribs) {
- StringBuffer code = new StringBuffer();
- String key;
- String value;
-
- Iterator iterator = attribs.keySet().iterator();
- while(iterator.hasNext()) {
- key = (String)iterator.next();
- value = (String)attribs.get(key);
-
- if (value.equals("true") || value.equals("false")) {
- // Substitute the "true" and "false" for codegen Boolean values.
- if(value.equals("true"))
- value = "Boolean.TRUE";
- else
- value = "Boolean.FALSE";
-
- code.append(" \"").append(key).append("\", ").append(value).append(",\n");
- } else {
- code.append(" \"").append(key).append("\", \"").append(value).append("\",\n");
- }
- }
- return code.toString();
- }
-
- /**
- * Generates the code for the enumeration.
- * XXX - side effect: Modifies the enumcode field variable.
- */
- private String genEnumeration(String propName, HashMap enums) {
- String objectName = propName + "Enumeration";
- String key;
- String value;
-
- StringBuffer code = new StringBuffer("\n\t\tObject[] ");
- code.append(objectName).append(" = new Object[] { \n");
-
- Iterator iterator = enums.keySet().iterator();
- while(iterator.hasNext()) {
- key = (String)iterator.next();
- value = (String)enums.get(key);
-
- code.append("\t\t\t\"").append(key).append("\" , new Integer(");
- code.append(value).append("), \"").append(value).append("\",\n");
- }
- // Close the statically initialized Object[]
- code.replace(code.length() - 2, code.length(), "\n\t\t};\n");
-
- // Add this string to the enumeration code.
- enumcode += code.toString();
-
- // Return the PropertyDescriptor init string;
- return " \"enumerationValues\", " + objectName + ",\n";
- }
-
- /**
- * Generate the createPropertyDescriptor() calls, one per property.
- * A fully specified createPropertyDescriptor() call looks like this:
- *
- * createPropertyDescriptor("contentPane", new Object[] {
- * BOUND, Boolean.TRUE,
- * CONSTRAINED, Boolean.TRUE,
- * PROPERTYEDITORCLASS, package.MyEditor.cl
- * WRITEMETHOD, "setContentPane",
- * DISPLAYNAME, "contentPane",
- * EXPERT, Boolean.FALSE,
- * HIDDEN, Boolean.FALSE,
- * PREFERRED, Boolean.TRUE,
- * SHORTDESCRIPTION, "A top level window with a window manager border",
- * "random attribute","random value"
- * }
- * );
- *
- *
- * @param info The actual BeanInfo class generated from from the Intospector.
- * @param dochash Set of DocBeanInfo pairs for each property. This information
- * is used to suplement the instrospected properties.
- * @return A snippet of source code which would construct all the PropertyDescriptors.
- */
- private String genPropertyDescriptors(BeanInfo info, Hashtable dochash) {
- String code = "";
- enumcode = " "; // code for enumerated properties.
- PropertyDescriptor[] pds = info.getPropertyDescriptors();
- boolean hash_match = false;
- DocBeanInfo dbi = null;
-
- for(int i = 0; i < pds.length; i++) {
- if (pds[i].getReadMethod() != null) {
- code += "\ncreatePropertyDescriptor(\"" + pds[i].getName() + "\", new Object[] {\n";
-
- if (DEBUG)
- System.out.println("Introspected propertyDescriptor: " + pds[i].getName());
-
- if (dochash.size() > 0 && dochash.containsKey(pds[i].getName())) {
- dbi = (DocBeanInfo)dochash.remove(pds[i].getName());
- // override/set properties on this *introspected*
- // BeanInfo pds using our DocBeanInfo class values
- setDocInfoProps(dbi, pds[i]);
- hash_match = true;
- if (DEBUG)
- System.out.println("DocBeanInfo class exists for propertyDescriptor: " + pds[i].getName() + "\n");
- } else {
- hash_match = false;
- }
-
- // Do I need to do anything with this property descriptor
- if (hash_match) {
- if ((dbi.beanflags & DocBeanInfo.BOUND) != 0) {
- code += " sun.swing.BeanInfoUtils.BOUND, Boolean.TRUE,\n";
- } else {
- code += " sun.swing.BeanInfoUtils.BOUND, Boolean.FALSE,\n";
- }
- }
-
- if (pds[i].isConstrained()) {
- code += " sun.swing.BeanInfoUtils.CONSTRAINED, Boolean.TRUE,\n";
- }
-
- if (pds[i].getPropertyEditorClass() != null) {
- String className = pds[i].getPropertyEditorClass().getName();
- code += " sun.swing.BeanInfoUtils.PROPERTYEDITORCLASS, " + className + ".class,\n";
- } else if ((hash_match) && (!(dbi.propertyeditorclass.equals("null")))) {
- code += " sun.swing.BeanInfoUtils.PROPERTYEDITORCLASS, " + dbi.propertyeditorclass + ".class,\n";
- }
-
- if ((hash_match) && (!(dbi.customizerclass.equals("null")))) {
- code += " sun.swing.BeanInfoUtils.CUSTOMIZERCLASS, " + dbi.customizerclass + ".class,\n";
- }
-
- if ((hash_match) && (dbi.enums != null)) {
- code += genEnumeration(pds[i].getName(), dbi.enums);
- }
-
- if (!pds[i].getDisplayName().equals(pds[i].getName())) {
- code += " sun.swing.BeanInfoUtils.DISPLAYNAME, \"" + pds[i].getDisplayName() + "\",\n";
- }
-
- if (pds[i].isExpert()) {
- code += " sun.swing.BeanInfoUtils.EXPERT, Boolean.TRUE,\n";
- }
-
- if (pds[i].isHidden()) {
- code += " sun.swing.BeanInfoUtils.HIDDEN, Boolean.TRUE,\n";
- }
-
- if (pds[i].isPreferred()) {
- code += " sun.swing.BeanInfoUtils.PREFERRED, Boolean.TRUE,\n";
- }
-
- // user attributes
- if (hash_match) {
- if (dbi.attribs != null) {
- code += genAttributes(dbi.attribs);
- }
- }
- code += " sun.swing.BeanInfoUtils.SHORTDESCRIPTION, \"" + pds[i].getShortDescription() + "\",\n";
-
- // Print the closing brackets. If this is the last array initializer,
- // don't print the trailing comma.
- if (i == (pds.length - 1)) {
- code += " }\n)\n";
- } else {
- code += " }\n),\n";
- }
-
- } // end if ( readMethod != null )
- } // end for
- return code;
- }
-
- /**
- * Sets properties from the BeanInfo supplement on the
- * introspected PropertyDescriptor
- */
- private void setDocInfoProps(DocBeanInfo dbi, PropertyDescriptor pds) {
- int beanflags = dbi.beanflags;
-
- if ((beanflags & DocBeanInfo.BOUND) != 0)
- pds.setBound(true);
- if ((beanflags & DocBeanInfo.EXPERT) != 0)
- pds.setExpert(true);
- if ((beanflags & DocBeanInfo.CONSTRAINED) != 0)
- pds.setConstrained(true);
- if ((beanflags & DocBeanInfo.HIDDEN) !=0)
- pds.setHidden(true);
- if ((beanflags & DocBeanInfo.PREFERRED) !=0)
- pds.setPreferred(true);
-
- if (!(dbi.desc.equals("null"))){
- pds.setShortDescription(dbi.desc);
- }
- if (!(dbi.displayname.equals("null"))){
- pds.setDisplayName(dbi.displayname);
- }
- }
-
- /**
- * Generates the BeanInfo source file using instrospection and a
- * Hashtable full of hints. This the only public method in this class.
- *
- * @param classname Root name of the class. i.e., JButton
- * @param dochash A hashtable containing the DocBeanInfo.
- */
- public void genBeanInfo(String packageName, String classname, Hashtable dochash) {
- // The following initial values are just examples. All of these
- // fields are initialized below.
- String beanClassName = "JInternalFrame";
- String beanClassObject = "javax.swing.JInternalFrame.class";
- String beanDescription = ".";
- String beanPropertyDescriptors = "";
- String classPropertyDescriptors = "";
-
- Class cls = getClass(packageName, classname);
- if (cls == null){
- messageAndExit("Can't find class: " + classname);
- }
-
- // Get the output stream.
- PrintStream out = initOutputFile(classname);
-
- // Run the Introspector and initialize the variables
-
- BeanInfo beanInfo = null;
- BeanDescriptor beanDescriptor = null;
-
- try {
- if (cls == javax.swing.JComponent.class) {
- // Go all the way up the heirarchy for JComponent
- beanInfo = Introspector.getBeanInfo(cls);
- } else {
- beanInfo = Introspector.getBeanInfo(cls, cls.getSuperclass());
- }
- beanDescriptor = beanInfo.getBeanDescriptor();
- beanDescription = beanDescriptor.getShortDescription();
- } catch (IntrospectionException e) {
- messageAndExit("Introspection failed for " + cls.getName() + " " + e);
- }
-
- beanClassName = beanDescriptor.getName();
- beanClassObject = cls.getName() + ".class";
-
- if (DEBUG){
- System.out.println(">>>>GenSwingBeanInfo class: " + beanClassName);
- }
- // Generate the Class BeanDescriptor information first
- if (dochash.size() > 0) {
- if (dochash.containsKey(beanClassName)) {
- DocBeanInfo dbi = (DocBeanInfo)dochash.remove(beanClassName);
- classPropertyDescriptors = genBeanDescriptor(dbi);
- if (DEBUG)
- System.out.println("ClassPropertyDescriptors: " + classPropertyDescriptors);
- if (!(dbi.desc.equals("null")))
- beanDescription = dbi.desc;
- } else
- beanDescription = beanDescriptor.getShortDescription();
- } else
- beanDescription = beanDescriptor.getShortDescription();
-
- // Generate the Property descriptors
- beanPropertyDescriptors = genPropertyDescriptors(beanInfo,dochash);
-
- // Dump the template to out, substituting values for
- // @(token) tokens as they're encountered.
-
- int currentIndex = 0;
- // not loading this to get around build issue for now
- String template = loadTemplate();
-
- // This loop substitutes the "@(...)" tags in the template with the ones for the
- // current class.
- while (currentIndex < template.length()) {
- // Find the Token
- int tokenStart = template.indexOf("@(", currentIndex);
- if (tokenStart != -1) {
- out.print(template.substring(currentIndex, tokenStart));
-
- int tokenEnd = template.indexOf(")", tokenStart);
- if (tokenEnd == -1) {
- messageAndExit("Bad @() beginning at " + tokenStart);
- }
- String token = template.substring(tokenStart+2, tokenEnd);
-
- if (token.equals(TOK_BEANCLASS)) {
- out.print(beanClassName);
- } else if (token.equals(TOK_CLASSDESC)) {
- if (!(classPropertyDescriptors.equals(""))) {
- printDescriptors(out, classPropertyDescriptors, template, tokenStart);
- }
- } else if (token.equals(TOK_BEANPACKAGE)){
- out.print(packageName);
- } else if (token.equals(TOK_BEANOBJECT)) {
- out.print(beanClassObject);
- } else if (token.equals(TOK_BEANDESC)) {
- out.print(beanDescription);
- } else if (token.equals(TOK_ENUMVARS)){
- out.print(enumcode);
- } else if (token.equals(TOK_PROPDESC)) {
- printDescriptors(out, beanPropertyDescriptors, template, tokenStart);
- } else if (token.equals("#")) {
- // Ignore the @(#) Version Control tag if it exists.
- } else {
- messageAndExit("Unrecognized token @(" + token + ")");
- }
- currentIndex = tokenEnd + 1;
- } else {
- // tokenStart == -1 - We are finsihed.
- out.print(template.substring(currentIndex, template.length()));
- break;
- }
- }
- out.close();
- }
-
- /**
- * Returns the class from the package name and the class root name.
- *
- * @param packageName The name of the package of the containing class.
- * @param rootname The root name of the class. i.e, JButton
- * @return The class instance or null.
- */
- private Class getClass(String packageName, String rootname) {
- Class cls = null;
- String classname = rootname;
-
- if (packageName != null || !packageName.equals("")) {
- classname = packageName + "." + rootname;
- }
-
- try {
- cls = Class.forName(classname);
- } catch (ClassNotFoundException e) {
- // Fail silently.
- }
- return cls;
- }
-
- /**
- * Prints the formated descriptors to the PrintStream
- * @param out Open PrintStream
- * @param s String descriptor
- * @param template Template
- * @param tokenStart Index into the template
- */
- private void printDescriptors(PrintStream out, String s,
- String template, int tokenStart) {
- String indent = "";
-
- // Find the newline that preceeds @(BeanPropertyDescriptors) to
- // calculate the indent.
- for (int i = tokenStart; i >= 0; i--) {
- if (template.charAt(i) == '\n') {
- char[] chars = new char[tokenStart - i];
- for (int j = 0; j < chars.length; j++) {
- chars[j] = ' ';
- }
- indent = new String(chars);
- break;
- }
- }
-
- int i = 0;
- while(i < s.length()) {
- int nlIndex = s.indexOf('\n', i);
- out.print(s.substring(i, nlIndex+1));
- out.print(indent);
- i = nlIndex + 1;
- }
- }
-
-
-}