org.zkoss.bind.impl.AnnotateBinderHelper Maven / Gradle / Ivy
/* AnnotateBinderHelper.java
Purpose:
Description:
History:
Sep 9, 2011 6:06:10 PM, Created by henrichen
Copyright (C) 2011 Potix Corporation. All Rights Reserved.
*/
package org.zkoss.bind.impl;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.zkoss.bind.Binder;
import org.zkoss.bind.impl.BinderUtil.UtilContext;
import org.zkoss.bind.sys.BindEvaluatorX;
import org.zkoss.bind.sys.BinderCtrl;
import org.zkoss.bind.sys.debugger.BindingAnnotationInfoChecker;
import org.zkoss.lang.Strings;
import org.zkoss.util.IllegalSyntaxException;
import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.metainfo.Annotation;
import org.zkoss.zk.ui.sys.ComponentCtrl;
/**
* Helper class to parse binding annotations and create bindings.
* @author henrichen
* @author dennischen
* @since 6.0.0
*/
public class AnnotateBinderHelper {
final private Binder _binder;
final static private String INIT_ANNO = "init";
final static private String BIND_ANNO = "bind";
final static private String LOAD_ANNO = "load";
final static private String SAVE_ANNO = "save";
final static private String REFERENCE_ANNO = "ref";
final static private String ID_ANNO = "id";
final static private String VALIDATOR_ANNO = "validator";
final static private String CONVERTER_ANNO = "converter";
final static private String TEMPLATE_ANNO = "template";
final static private String COMMAND_ANNO = "command";
final static private String GLOBAL_COMMAND_ANNO = "global-command";
final static public String FORM_ATTR = "form";
final static public String VIEW_MODEL_ATTR = "viewModel";
final static public String BINDER_ATTR = "binder";
final static public String VALIDATION_MESSAGES_ATTR = "validationMessages";
final static public String CHILDREN_ATTR = "children";
//control key
final static public String CHILDREN_KEY = "$CHILDREN$";
public AnnotateBinderHelper(Binder binder) {
_binder = binder;
}
public void initComponentBindings(Component comp) {
processAllComponentsBindings(comp);
}
private void processAllComponentsBindings(Component comp) {
final Binder selfBinder = BinderUtil.getBinder(comp);
//check if a component was binded already(by any binder)
if (selfBinder != null) //this component already binded ! skip all of its children
return;
BindingAnnotationInfoChecker checker = ((BinderCtrl)_binder).getBindingAnnotationInfoChecker();
if(checker!=null){
checker.checkBinding(_binder, comp);
}
processComponentBindings0(comp);
for(final Iterator it = comp.getChildren().iterator(); it.hasNext();) {
final Component kid = it.next();
processAllComponentsBindings(kid); //recursive to each child
}
}
private void processComponentBindings0(Component comp) {
final List props = AnnotationUtil.getNonSystemProperties(comp);// look every property has annotation
for (final Iterator it = props.iterator(); it.hasNext(); ) {
final String propName = (String) it.next();
if (isEventProperty(propName)) {
processCommandBinding(comp,propName);
processGlobalCommandBinding(comp,propName);
}else if(FORM_ATTR.equals(propName)){
processFormBindings(comp);
}else if(CHILDREN_ATTR.equals(propName)){
processChildrenBindings(comp);
}else if(VIEW_MODEL_ATTR.equals(propName)){
//ignore
}else if(BINDER_ATTR.equals(propName)){
//ignore
}else if(VALIDATION_MESSAGES_ATTR.equals(propName)){
//ignore
}else{
processPropertyBindings(comp, propName);
}
}
//don't mark the component is controlled, if we do this, it will always create a attribute map for a component.
//and consume more memory, make performance worse.
//if(!BinderUtil.isHandling(comp)){
// BinderUtil.markHandling(comp, _binder);
//}
}
private boolean isEventProperty(String propName) {
return propName.startsWith("on") && propName.length() >= 3 && Character.isUpperCase(propName.charAt(2));
}
private void processCommandBinding(Component comp, String propName) {
final ComponentCtrl compCtrl = (ComponentCtrl) comp;
final Collection anncol = compCtrl.getAnnotations(propName, COMMAND_ANNO);
if(anncol.size()==0) return;
if(anncol.size()>1) {
throw new IllegalSyntaxException(MiscUtil.formatLocationMessage("Allow only one command binding for event "+propName+" of "+comp,comp));
}
final Annotation ann = anncol.iterator().next();
final Map attrs = ann.getAttributes(); //(tag, tagExpr)
Map args = null;
final List cmdExprs = new ArrayList();
for (final Iterator> it = attrs.entrySet().iterator(); it.hasNext();) {
final Entry entry = it.next();
final String tag = entry.getKey();
final String[] tagExpr = entry.getValue();
if ("value".equals(tag)) {
cmdExprs.add(AnnotationUtil.testString(tagExpr,ann));
} else { //other unknown tag, keep as arguments
if (args == null) {
args = new HashMap();
}
args.put(tag, tagExpr);
}
}
final Map parsedArgs = args == null ? null : BindEvaluatorXUtil.parseArgs(_binder.getEvaluatorX(),args);
try{
BinderUtil.pushContext().setCurrentLocation(ann.getLocation());
for(String cmd : cmdExprs) {
_binder.addCommandBinding(comp, propName, cmd, parsedArgs);
}
}finally{
BinderUtil.popContext();
}
}
private void processGlobalCommandBinding(Component comp, String propName) {
final ComponentCtrl compCtrl = (ComponentCtrl) comp;
final Collection anncol = compCtrl.getAnnotations(propName, GLOBAL_COMMAND_ANNO);
if(anncol.size()==0) return;
if(anncol.size()>1) {
throw new IllegalSyntaxException(MiscUtil.formatLocationMessage("Allow only one global-command binding for event "+propName+" of "+comp,comp));
}
final Annotation ann = anncol.iterator().next();
final Map attrs = ann.getAttributes(); //(tag, tagExpr)
Map args = null;
final List cmdExprs = new ArrayList();
for (final Iterator> it = attrs.entrySet().iterator(); it.hasNext();) {
final Entry entry = it.next();
final String tag = entry.getKey();
final String[] tagExpr = entry.getValue();
if ("value".equals(tag)) {
cmdExprs.add(AnnotationUtil.testString(tagExpr,ann));
} else { //other unknown tag, keep as arguments
if (args == null) {
args = new HashMap();
}
args.put(tag, tagExpr);
}
}
final Map parsedArgs = args == null ? null : BindEvaluatorXUtil.parseArgs(_binder.getEvaluatorX(),args);
try{
BinderUtil.pushContext().setCurrentLocation(ann.getLocation());
for(String cmd : cmdExprs) {
_binder.addGlobalCommandBinding(comp, propName, cmd, parsedArgs);
}
}finally{
BinderUtil.popContext();
}
}
private void processPropertyBindings(Component comp, String propName) {
final ComponentCtrl compCtrl = (ComponentCtrl) comp;
//validator and converter information
ExpressionAnnoInfo validatorInfo = parseValidator(comp,propName);
ExpressionAnnoInfo converterInfo = parseConverter(comp,propName);
//scan init
Collection initannos = compCtrl.getAnnotations(propName, INIT_ANNO);
if(initannos.size()>1){
throw new IllegalSyntaxException(MiscUtil.formatLocationMessage("Allow only one @init for "+propName+" of "+comp,initannos.iterator().next()));
}else if(initannos.size()==1){
processPropertyInit(comp,propName,initannos.iterator().next(),converterInfo);
}
Collection annos = compCtrl.getAnnotations(propName); //init in the annotation with the sequence
for(Annotation anno:annos){
if(anno.getName().equals(BIND_ANNO)){
processPropertyPromptBindings(comp,propName,anno,converterInfo,validatorInfo);
}else if(anno.getName().equals(LOAD_ANNO)){
processPropertyLoadBindings(comp,propName,anno,converterInfo);
}else if(anno.getName().equals(SAVE_ANNO)){
processPropertySaveBindings(comp,propName,anno,converterInfo,validatorInfo);
}else if(anno.getName().equals(REFERENCE_ANNO)){
processReferenceBinding(comp,propName,anno);
}
}
ExpressionAnnoInfo templateInfo = parseTemplate(comp,propName);
if(templateInfo!=null){
_binder.setTemplate(comp, propName, templateInfo.expr, templateInfo.args);
}
}
private void processReferenceBinding(Component comp, String propName, Annotation ann) {
String loadExpr = null;
Map args = null;
for (final Iterator> it = ann.getAttributes().entrySet().iterator(); it.hasNext();) {
final Entry entry = it.next();
final String tag = entry.getKey();
final String[] tagExpr = entry.getValue();
if ("value".equals(tag)) {
loadExpr = AnnotationUtil.testString(tagExpr,ann);
} else { //other unknown tag, keep as arguments
if (args == null) {
args = new HashMap();
}
args.put(tag, tagExpr);
}
}
final Map parsedArgs = args == null ? null : BindEvaluatorXUtil.parseArgs(_binder.getEvaluatorX(),args);
try{
BinderUtil.pushContext().setCurrentLocation(ann.getLocation());
_binder.addReferenceBinding(comp, propName, loadExpr, parsedArgs);
}finally{
BinderUtil.popContext();
}
}
private void processPropertyInit(Component comp, String propName, Annotation ann,ExpressionAnnoInfo converterInfo) {
String initExpr = null;
Map args = null;
for (final Iterator> it = ann.getAttributes().entrySet().iterator(); it.hasNext();) {
final Entry entry = it.next();
final String tag = entry.getKey();
final String[] tagExpr = entry.getValue();
if ("value".equals(tag)) {
initExpr = AnnotationUtil.testString(tagExpr,ann);
} else { //other unknown tag, keep as arguments
if (args == null) {
args = new HashMap();
}
args.put(tag, tagExpr);
}
}
final Map parsedArgs = args == null ? null : BindEvaluatorXUtil.parseArgs(_binder.getEvaluatorX(),args);
try{
BinderUtil.pushContext().setCurrentLocation(ann.getLocation());
_binder.addPropertyInitBinding(comp, propName, initExpr, parsedArgs, converterInfo == null ? null : converterInfo.expr,
converterInfo == null ? null : converterInfo.args);
}finally{
BinderUtil.popContext();
}
}
//process @bind(expr)
private void processPropertyPromptBindings(Component comp, String propName, Annotation ann, ExpressionAnnoInfo converterInfo, ExpressionAnnoInfo validatorInfo) {
String expr = null;
Map args = null;
for (final Iterator> it = ann.getAttributes().entrySet().iterator(); it.hasNext();) {
final Entry entry = it.next();
final String tag = entry.getKey();
final String[] tagExpr = entry.getValue();
if ("value".equals(tag)) {
expr = AnnotationUtil.testString(tagExpr,ann);
} else if ("before".equals(tag)) {
throw new IllegalSyntaxException(MiscUtil.formatLocationMessage("@bind is for prompt binding only, doesn't support before commands, check property "+propName+" of "+comp,ann));
} else if ("after".equals(tag)) {
throw new IllegalSyntaxException(MiscUtil.formatLocationMessage("@bind is for prompt binding only, doesn't support after commands, check property "+propName+" of "+comp,ann));
} else { //other unknown tag, keep as arguments
if (args == null) {
args = new HashMap();
}
args.put(tag, tagExpr);
}
}
final Map parsedArgs = args == null ? null : BindEvaluatorXUtil.parseArgs(_binder.getEvaluatorX(),args);
try{
UtilContext ctx = BinderUtil.pushContext();
ctx.setIgnoreAccessCreationWarn(true);
ctx.setCurrentLocation(ann.getLocation());
_binder.addPropertyLoadBindings(comp, propName,
expr, null, null, parsedArgs,
converterInfo == null ? null : converterInfo.expr,
converterInfo == null ? null : converterInfo.args);
_binder.addPropertySaveBindings(comp, propName, expr,
null, null, parsedArgs,
converterInfo == null ? null : converterInfo.expr,
converterInfo == null ? null : converterInfo.args,
validatorInfo == null ? null : validatorInfo.expr,
validatorInfo == null ? null : validatorInfo.args);
}finally{
BinderUtil.popContext();
}
}
private void addCommand(Component comp, List cmds, String[] cmdExprs){
for(String cmdExpr:(String[])cmdExprs){
addCommand(comp,cmds,cmdExpr);
}
}
private void addCommand(Component comp, List cmds, String cmdExpr){
String cmd = BindEvaluatorXUtil.eval(_binder.getEvaluatorX(),comp,cmdExpr,String.class);
if(Strings.isEmpty(cmd)){
throw new IllegalSyntaxException(MiscUtil.formatLocationMessage("command of expression "+cmdExpr+" is empty",comp));
}
cmds.add(cmd);
}
private void processPropertyLoadBindings(Component comp, String propName, Annotation ann, ExpressionAnnoInfo converterInfo) {
String loadExpr = null;
final List beforeCmds = new ArrayList();
final List afterCmds = new ArrayList();
Map args = null;
for (final Iterator> it = ann.getAttributes().entrySet().iterator(); it.hasNext();) {
final Entry entry = it.next();
final String tag = entry.getKey();
final String[] tagExpr = entry.getValue();
if ("value".equals(tag)) {
loadExpr = AnnotationUtil.testString(tagExpr,ann);
} else if ("before".equals(tag)) {
addCommand(comp,beforeCmds,tagExpr);
} else if ("after".equals(tag)) {
addCommand(comp,afterCmds,tagExpr);
} else { //other unknown tag, keep as arguments
if (args == null) {
args = new HashMap();
}
args.put(tag, tagExpr);
}
}
final Map parsedArgs = args == null ? null : BindEvaluatorXUtil.parseArgs(_binder.getEvaluatorX(),args);
try{
BinderUtil.pushContext().setCurrentLocation(ann.getLocation());
_binder.addPropertyLoadBindings(comp, propName,
loadExpr,
beforeCmds.size()==0?null:beforeCmds.toArray(new String[beforeCmds.size()]),
afterCmds.size()==0?null:afterCmds.toArray(new String[afterCmds.size()]), parsedArgs,
converterInfo == null ? null : converterInfo.expr,
converterInfo == null ? null : converterInfo.args);
}finally{
BinderUtil.popContext();
}
}
private void processPropertySaveBindings(Component comp, String propName, Annotation ann, ExpressionAnnoInfo converterInfo, ExpressionAnnoInfo validatorInfo) {
String saveExpr = null;
final List beforeCmds = new ArrayList();
final List afterCmds = new ArrayList();
Map args = null;
for (final Iterator> it = ann.getAttributes().entrySet().iterator(); it.hasNext();) {
final Entry entry = it.next();
final String tag = entry.getKey();
final String[] tagExpr = entry.getValue();
if ("value".equals(tag)) {
saveExpr = AnnotationUtil.testString(tagExpr,ann);
} else if ("before".equals(tag)) {
addCommand(comp,beforeCmds,tagExpr);
} else if ("after".equals(tag)) {
addCommand(comp,afterCmds,tagExpr);
} else { //other unknown tag, keep as arguments
if (args == null) {
args = new HashMap();
}
args.put(tag, tagExpr);
}
}
final Map parsedArgs = args == null ? null : BindEvaluatorXUtil.parseArgs(_binder.getEvaluatorX(),args);
try{
BinderUtil.pushContext().setCurrentLocation(ann.getLocation());
_binder.addPropertySaveBindings(comp, propName,saveExpr,
beforeCmds.size()==0?null:beforeCmds.toArray(new String[beforeCmds.size()]),
afterCmds.size()==0?null:afterCmds.toArray(new String[afterCmds.size()]), parsedArgs,
converterInfo == null ? null : converterInfo.expr,
converterInfo == null ? null : converterInfo.args,
validatorInfo == null ? null : validatorInfo.expr,
validatorInfo == null ? null : validatorInfo.args);
}finally{
BinderUtil.popContext();
}
}
private void processFormBindings(Component comp) {
final ComponentCtrl compCtrl = (ComponentCtrl) comp;
final BindEvaluatorX eval = _binder.getEvaluatorX();
//validator information
ExpressionAnnoInfo validatorInfo = parseValidator(comp,FORM_ATTR);
String formId = null;
Collection idannos = compCtrl.getAnnotations(FORM_ATTR, ID_ANNO);
if(idannos.size()==0){
throw new IllegalSyntaxException(MiscUtil.formatLocationMessage("@id is not found for a form binding of "+comp,comp));
}else if(idannos.size()>1){
throw new IllegalSyntaxException(MiscUtil.formatLocationMessage("Allow only one @id for a form binding of "+comp,idannos.iterator().next()));
}
final Annotation idanno = idannos.iterator().next();
final String idExpr = idanno.getAttribute("value");
if(idExpr!=null){
formId = BindEvaluatorXUtil.eval(eval, comp, idExpr, String.class);
}
if(formId==null){
throw new IllegalSyntaxException(MiscUtil.formatLocationMessage("value of @id is not found for a form binding of "+compCtrl+", exprssion is "+idExpr,idanno));
}
//scan init first
Collection initannos = compCtrl.getAnnotations(FORM_ATTR, INIT_ANNO);
if(initannos.size()>1){
throw new IllegalSyntaxException(MiscUtil.formatLocationMessage("Allow only one @init for "+FORM_ATTR+" of "+comp,initannos.iterator().next()));
}else if(initannos.size()==1){
processFormInit(comp,formId,initannos.iterator().next());
}
Collection annos = compCtrl.getAnnotations(FORM_ATTR); //get all annotation in the form with the order.
for(Annotation anno:annos){
if(anno.getName().equals(LOAD_ANNO)){
processFormLoadBindings(comp,formId,anno);
}else if(anno.getName().equals(SAVE_ANNO)){
processFormSaveBindings(comp,formId,anno,validatorInfo);
}
}
}
private void processFormInit(Component comp, String formId,Annotation ann) {
String initExpr = null;
Map args = null;
for (final Iterator> it = ann.getAttributes().entrySet().iterator(); it.hasNext();) {
final Entry entry = it.next();
final String tag = entry.getKey();
final String[] tagExpr = entry.getValue();
if ("value".equals(tag)) {
initExpr = AnnotationUtil.testString(tagExpr,ann);
} else { //other unknown tag, keep as arguments
if (args == null) {
args = new HashMap();
}
args.put(tag, tagExpr);
}
}
final Map parsedArgs = args == null ? null : BindEvaluatorXUtil.parseArgs(_binder.getEvaluatorX(),args);
try{
BinderUtil.pushContext().setCurrentLocation(ann.getLocation());
_binder.addFormInitBinding(comp, formId,initExpr, parsedArgs);
}finally{
BinderUtil.popContext();
}
}
private void processFormLoadBindings(Component comp, String formId,Annotation ann) {
String loadExpr = null;
final List beforeCmds = new ArrayList();
final List afterCmds = new ArrayList();
Map args = null;
for (final Iterator> it = ann.getAttributes().entrySet().iterator(); it.hasNext();) {
final Entry entry = it.next();
final String tag = entry.getKey();
final String[] tagExpr = entry.getValue();
if ("value".equals(tag)) {
loadExpr = AnnotationUtil.testString(tagExpr,ann);
} else if ("before".equals(tag)) {
addCommand(comp,beforeCmds, tagExpr);
} else if ("after".equals(tag)) {
addCommand(comp,afterCmds, tagExpr);
} else { //other unknown tag, keep as arguments
if (args == null) {
args = new HashMap();
}
args.put(tag, tagExpr);
}
}
final Map parsedArgs = args == null ? null : BindEvaluatorXUtil.parseArgs(_binder.getEvaluatorX(),args);
try{
BinderUtil.pushContext().setCurrentLocation(ann.getLocation());
_binder.addFormLoadBindings(comp, formId,
loadExpr,
beforeCmds.size()==0?null:beforeCmds.toArray(new String[beforeCmds.size()]),
afterCmds.size()==0?null:afterCmds.toArray(new String[afterCmds.size()]), parsedArgs);
}finally{
BinderUtil.popContext();
}
}
private void processFormSaveBindings(Component comp, String formId, Annotation ann, ExpressionAnnoInfo validatorInfo) {
String saveExpr = null;
final List beforeCmds = new ArrayList();
final List afterCmds = new ArrayList();
Map args = null;
for (final Iterator> it = ann.getAttributes().entrySet().iterator(); it.hasNext();) {
final Entry entry = it.next();
final String tag = entry.getKey();
final String[] tagExpr = entry.getValue();
if ("value".equals(tag)) {
saveExpr = AnnotationUtil.testString(tagExpr,ann);
} else if ("before".equals(tag)) {
addCommand(comp,beforeCmds,tagExpr);
} else if ("after".equals(tag)) {
addCommand(comp,afterCmds,tagExpr);
} else { //other unknown tag, keep as arguments
if (args == null) {
args = new HashMap();
}
args.put(tag, tagExpr);
}
}
final Map parsedArgs = args == null ? null : BindEvaluatorXUtil.parseArgs(_binder.getEvaluatorX(),args);
try{
BinderUtil.pushContext().setCurrentLocation(ann.getLocation());
_binder.addFormSaveBindings(comp, formId, saveExpr,
beforeCmds.size()==0?null:beforeCmds.toArray(new String[beforeCmds.size()]),
afterCmds.size()==0?null:afterCmds.toArray(new String[afterCmds.size()]), parsedArgs,
validatorInfo == null ? null : validatorInfo.expr,
validatorInfo == null ? null : validatorInfo.args);
}finally{
BinderUtil.popContext();
}
}
private void processChildrenBindings(Component comp) {
final ComponentCtrl compCtrl = (ComponentCtrl) comp;
ExpressionAnnoInfo converterInfo = parseConverter(comp,CHILDREN_ATTR);
//scan init first
Collection initannos = compCtrl.getAnnotations(CHILDREN_ATTR, INIT_ANNO);
if(initannos.size()>1){
throw new IllegalSyntaxException(MiscUtil.formatLocationMessage("Allow only one @init for "+CHILDREN_ATTR+" of "+comp,initannos.iterator().next()));
}else if(initannos.size()==1){
processChildrenInit(comp,initannos.iterator().next(),converterInfo);
}
Collection annos = compCtrl.getAnnotations(CHILDREN_ATTR); //get all annotation in the children with the order.
for(Annotation anno:annos){
if(anno.getName().equals(BIND_ANNO)){
processChildrenPromptBindings(comp,anno,converterInfo);
}else if(anno.getName().equals(LOAD_ANNO)){
processChildrenLoadBindings(comp,anno,converterInfo);
}
}
ExpressionAnnoInfo templateInfo = parseTemplate(comp,CHILDREN_ATTR);
if(templateInfo!=null){
//use special CHILDREN_KEY to avoid conflict
_binder.setTemplate(comp, CHILDREN_KEY, templateInfo.expr, templateInfo.args);
}
}
private void processChildrenInit(Component comp, Annotation ann,ExpressionAnnoInfo converterInfo) {
String initExpr = null;
Map args = null;
for (final Iterator> it = ann.getAttributes().entrySet().iterator(); it.hasNext();) {
final Entry entry = it.next();
final String tag = entry.getKey();
final String[] tagExpr = entry.getValue();
if ("value".equals(tag)) {
initExpr = AnnotationUtil.testString(tagExpr,ann);
} else { //other unknown tag, keep as arguments
if (args == null) {
args = new HashMap();
}
args.put(tag, tagExpr);
}
}
final Map parsedArgs = args == null ? null : BindEvaluatorXUtil.parseArgs(_binder.getEvaluatorX(),args);
try{
BinderUtil.pushContext().setCurrentLocation(ann.getLocation());
_binder.addChildrenInitBinding(comp, initExpr, parsedArgs,
converterInfo == null ? getDefaultChildBindingConverter() : converterInfo.expr,
converterInfo == null ? null : converterInfo.args);
}finally{
BinderUtil.popContext();
}
}
private String getDefaultChildBindingConverter(){
if(SystemConverters.get("childrenBinding")!=null){
return "'childrenBinding'";
}
return null;
}
private void processChildrenPromptBindings(Component comp, Annotation ann,ExpressionAnnoInfo converterInfo) {
String expr = null;
Map args = null;
for (final Iterator> it = ann.getAttributes().entrySet().iterator(); it.hasNext();) {
final Entry entry = it.next();
final String tag = entry.getKey();
final String[] tagExpr = entry.getValue();
if ("value".equals(tag)) {
expr = AnnotationUtil.testString(tagExpr,ann);
} else if ("before".equals(tag)) {
throw new IllegalSyntaxException(MiscUtil.formatLocationMessage("@bind is for prompt binding only, doesn't support before commands, check property "+CHILDREN_ATTR+" of "+comp,comp));
} else if ("after".equals(tag)) {
throw new IllegalSyntaxException(MiscUtil.formatLocationMessage("@bind is for prompt binding only, doesn't support after commands, check property "+CHILDREN_ATTR+" of "+comp,comp));
} else { //other unknown tag, keep as arguments
if (args == null) {
args = new HashMap();
}
args.put(tag, tagExpr);
}
}
final Map parsedArgs = args == null ? null : BindEvaluatorXUtil.parseArgs(_binder.getEvaluatorX(),args);
try{
BinderUtil.pushContext().setCurrentLocation(ann.getLocation());
_binder.addChildrenLoadBindings(comp, expr, null, null, parsedArgs,
converterInfo == null ? getDefaultChildBindingConverter() : converterInfo.expr,
converterInfo == null ? null : converterInfo.args);
}finally{
BinderUtil.popContext();
}
}
private void processChildrenLoadBindings(Component comp, Annotation ann, ExpressionAnnoInfo converterInfo){
String loadExpr = null;
final List beforeCmds = new ArrayList();
final List afterCmds = new ArrayList();
Map args = null;
for (final Iterator> it = ann.getAttributes().entrySet().iterator(); it.hasNext();) {
final Entry entry = it.next();
final String tag = entry.getKey();
final String[] tagExpr = entry.getValue();
if ("value".equals(tag)) {
loadExpr = AnnotationUtil.testString(tagExpr,ann);
} else if ("before".equals(tag)) {
addCommand(comp,beforeCmds,tagExpr);
} else if ("after".equals(tag)) {
addCommand(comp,afterCmds,tagExpr);
} else { //other unknown tag, keep as arguments
if (args == null) {
args = new HashMap();
}
args.put(tag, tagExpr);
}
}
final Map parsedArgs = args == null ? null : BindEvaluatorXUtil.parseArgs(_binder.getEvaluatorX(),args);
try{
BinderUtil.pushContext().setCurrentLocation(ann.getLocation());
_binder.addChildrenLoadBindings(comp, loadExpr,
beforeCmds.size()==0?null:beforeCmds.toArray(new String[beforeCmds.size()]),
afterCmds.size()==0?null:afterCmds.toArray(new String[afterCmds.size()]), parsedArgs,
converterInfo == null ? getDefaultChildBindingConverter() : converterInfo.expr,
converterInfo == null ? null : converterInfo.args);
}finally{
BinderUtil.popContext();
}
}
private ExpressionAnnoInfo parseConverter(Component comp, String propName) {
final Collection annos = ((ComponentCtrl)comp).getAnnotations(propName, CONVERTER_ANNO);
if(annos.size()==0) return null;
if(annos.size()>1) {
throw new IllegalSyntaxException(MiscUtil.formatLocationMessage("Allow only one converter for "+propName+" of "+comp,comp));
}
final Annotation ann = annos.iterator().next();
ExpressionAnnoInfo info = new ExpressionAnnoInfo();
Map args = null;
for (final Iterator> it = ann.getAttributes().entrySet().iterator(); it
.hasNext();) {
final Entry entry = it.next();
final String tag = entry.getKey();
final String[] tagExpr = entry.getValue();
if ("value".equals(tag)) {
info.expr = AnnotationUtil.testString(tagExpr,ann);
} else { // other unknown tag, keep as arguments
if (args== null) {
args = new HashMap();
}
args.put(tag, tagExpr);
}
}
if (Strings.isBlank(info.expr)) {
throw new IllegalSyntaxException(MiscUtil.formatLocationMessage("value of converter is empty, check "+propName+" of "+comp,comp));
}
info.args = args == null ? null : BindEvaluatorXUtil.parseArgs(_binder.getEvaluatorX(),args);
return info;
}
private ExpressionAnnoInfo parseValidator(Component comp, String propName) {
final Collection annos = ((ComponentCtrl)comp).getAnnotations(propName, VALIDATOR_ANNO);
if(annos.size()==0) return null;
if(annos.size()>1) {
throw new IllegalSyntaxException(MiscUtil.formatLocationMessage("Allow only one validator for "+propName+" of "+comp,comp));
}
final Annotation ann = annos.iterator().next();
ExpressionAnnoInfo info = new ExpressionAnnoInfo();
Map args = null;
for (final Iterator> it = ann.getAttributes().entrySet().iterator(); it.hasNext();) {
final Entry entry = it.next();
final String tag = entry.getKey();
final String[] tagExpr = entry.getValue();
if ("value".equals(tag)) {
info.expr = AnnotationUtil.testString(tagExpr,ann);
} else { // other unknown tag, keep as arguments
if (args == null) {
args = new HashMap();
}
args.put(tag, tagExpr);
}
}
if (Strings.isBlank(info.expr)) {
throw new IllegalSyntaxException(MiscUtil.formatLocationMessage("value of validator is empty, check "+propName+" of "+comp,comp));
}
info.args = args == null ? null : BindEvaluatorXUtil.parseArgs(_binder.getEvaluatorX(),args);
return info;
}
private ExpressionAnnoInfo parseTemplate(Component comp, String propName) {
final Collection annos = ((ComponentCtrl)comp).getAnnotations(propName, TEMPLATE_ANNO);
if(annos.size()==0) return null;
if(annos.size()>1) {
throw new IllegalSyntaxException(MiscUtil.formatLocationMessage("Allow only one template for "+propName+" of "+comp,comp));
}
final Annotation ann = annos.iterator().next();
ExpressionAnnoInfo info = new ExpressionAnnoInfo();
Map args = null;
for (final Iterator> it = ann.getAttributes().entrySet().iterator(); it.hasNext();) {
final Entry entry = it.next();
final String tag = entry.getKey();
final String[] tagExpr = entry.getValue();
if ("value".equals(tag)) {
info.expr = AnnotationUtil.testString(tagExpr,ann);
} else { // other unknown tag, keep as arguments
if (args == null) {
args = new HashMap();
}
args.put(tag, tagExpr);
}
}
if (Strings.isBlank(info.expr)) {
throw new IllegalSyntaxException(MiscUtil.formatLocationMessage("Must specify a template for "+propName+" of "+comp,comp));
}
info.args = args == null ? null : BindEvaluatorXUtil.parseArgs(_binder.getEvaluatorX(),args);
return info;
}
private static class ExpressionAnnoInfo{
Map args;
String expr;
}
}
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