/** Parse the processing instructions. */
private static void parsePI(LanguageDefinition langdef, Document doc) throws Exception {
for (Iterator it = doc.getChildren().iterator(); it.hasNext(); ) {
final Object o = it.next();
if (!(o instanceof ProcessingInstruction)) continue;
final ProcessingInstruction pi = (ProcessingInstruction) o;
final String target = pi.getTarget();
final Map<String, String> params = pi.parseData();
if ("taglib".equals(target)) {
final String uri = params.remove("uri");
final String prefix = params.remove("prefix");
if (!params.isEmpty())
log.warn("Ignored unknown attribute: " + params + ", " + pi.getLocator());
if (uri == null || prefix == null)
throw new UiException(message("Both uri and prefix attribute are required", pi));
if (log.isDebugEnabled()) log.debug("taglib: prefix=" + prefix + " uri=" + uri);
langdef.addTaglib(new Taglib(prefix, uri));
} else {
log.warn("Unknown processing instruction: " + target);
}
}
}
private static void parseLang(Document doc, Locator locator, URL url, boolean addon)
throws Exception {
final Element root = doc.getRootElement();
final String lang = IDOMs.getRequiredElementValue(root, "language-name");
final LanguageDefinition langdef;
final Device device;
if (addon) {
if (log.isDebugEnabled())
log.debug(
"Addon language to " + lang + " from " + root.getElementValue("addon-name", true));
langdef = LanguageDefinition.lookup(lang);
device = Devices.getDevice(langdef.getDeviceType());
if (root.getElement("case-insensitive") != null)
throw new UiException(message("case-insensitive not allowed in addon", root));
} else {
final String ns = IDOMs.getRequiredElementValue(root, "namespace");
final String deviceType = IDOMs.getRequiredElementValue(root, "device-type");
String treeBuilderClass = root.getElementValue("treebuilder-class", true);
if (treeBuilderClass == null) // XulTreeBuilder as default
treeBuilderClass = XmlTreeBuilder.class.getName();
// if (log.isDebugEnabled()) log.debug("Load language: "+lang+", "+ns);
PageRenderer pageRenderer =
(PageRenderer)
locateClass(IDOMs.getRequiredElementValue(root, "renderer-class"), PageRenderer.class)
.newInstance();
final List<String> exts = parseExtensions(root);
if (exts.isEmpty())
throw new UiException(message("The extension must be specified for " + lang, root));
String ignoreCase = root.getElementValue("case-insensitive", true);
String bNative = root.getElementValue("native-namespace", true);
langdef =
new LanguageDefinition(
deviceType,
lang,
ns,
exts,
pageRenderer,
"true".equals(ignoreCase),
"true".equals(bNative),
locator,
treeBuilderClass);
device = Devices.getDevice(deviceType);
}
parsePI(langdef, doc);
parseLabelTemplate(langdef, root);
parseDynamicTag(langdef, root);
parseMacroTemplate(langdef, root);
parseNativeTemplate(langdef, root);
parseShadowTemplate(langdef, root);
for (Element el : root.getElements("message-loader-class")) {
final String clsname = el.getText().trim();
if (Strings.isEmpty(clsname))
throw new UiException("Empty class name of message loader for " + lang);
MessageLoader msgLoader = (MessageLoader) locateClass(clsname).newInstance();
langdef.addMessageLoader(msgLoader);
}
for (Element el : root.getElements("library-property")) {
ConfigParser.parseLibProperty(el);
}
for (Iterator it = root.getElements("system-property").iterator(); it.hasNext(); ) {
final Element el = (Element) it.next();
final String nm = IDOMs.getRequiredElementValue(el, "name");
final String val = IDOMs.getRequiredElementValue(el, "value");
System.setProperty(nm, val);
}
for (Iterator it = root.getElements("javascript").iterator(); it.hasNext(); ) {
final Element el = (Element) it.next();
String src = el.getAttributeValue("src"), pkg = el.getAttributeValue("package");
String mergeTo = el.getAttributeValue("merge");
final boolean merge = mergeTo != null && !"false".equals(mergeTo);
if (merge && "true".equals(mergeTo)) mergeTo = "zk";
final boolean ondemand = "true".equals(el.getAttributeValue("ondemand"));
// ondemand means to cancel the previous definition (merge or not)
if (pkg != null) {
if (src != null)
log.warn("The src attribute ignored because package is specified, " + el.getLocator());
if (!ondemand && !merge) {
src = "~." + device.packageToPath(pkg);
pkg = null;
}
}
final String ctn = el.getText(true);
final JavaScript js;
if (pkg != null && pkg.length() > 0) {
if (ondemand) { // ondemand has the higher priority than merge
langdef.removeJavaScript("~." + device.packageToPath(pkg));
langdef.unmergeJavaScriptPackage(pkg, mergeTo);
} else { // merge must be true
langdef.mergeJavaScriptPackage(pkg, mergeTo);
}
continue; // TODO
} else if (src != null && src.length() > 0) {
if (ctn != null && ctn.length() > 0)
throw new UiException(
message("You cannot specify the content if the src attribute is specified", el));
final String charset = el.getAttributeValue("charset");
js = new JavaScript(src, charset);
} else if (ctn != null && ctn.length() > 0) {
js = new JavaScript(ctn);
} else {
log.warn(
"Ignored: none of the src or package attribute, or the content specified, "
+ el.getLocator());
continue;
}
langdef.addJavaScript(js);
}
for (Iterator it = root.getElements("javascript-module").iterator(); it.hasNext(); ) {
final Element el = (Element) it.next();
langdef.addJavaScriptModule(
IDOMs.getRequiredAttributeValue(el, "name"),
IDOMs.getRequiredAttributeValue(el, "version"));
}
for (Iterator it = root.getElements("stylesheet").iterator(); it.hasNext(); ) {
final Element el = (Element) it.next();
final String href = el.getAttributeValue("href");
final String ctn = el.getText(true);
final StyleSheet ss;
if (href != null && href.length() > 0) {
if (ctn != null && ctn.length() > 0)
throw new UiException(
message("You cannot specify the content if the href attribute is specified", el));
ss =
new StyleSheet(
href, el.getAttributeValue("type"), el.getAttributeValue("media"), false);
} else if (ctn != null && ctn.length() > 0) {
ss = new StyleSheet(ctn, el.getAttributeValue("type"), el.getAttributeValue("media"), true);
} else {
throw new UiException(
message("You must specify either the href attribute or the content", el));
}
langdef.addStyleSheet(ss);
}
for (Iterator it = root.getElements("zscript").iterator(); it.hasNext(); ) {
final Element el = (Element) it.next();
final String zslang;
final Attribute attr = el.getAttributeItem("language");
if (attr == null) {
zslang = "Java";
} else {
zslang = attr.getValue();
if (zslang == null || zslang.length() == 0)
throw new UiException(message("The language attribute cannot be empty", attr));
}
final String s = el.getText(true);
final String eachTime = el.getAttributeValue("each-time");
if ("true".equals(eachTime)) langdef.addEachTimeScript(zslang, s);
else langdef.addInitScript(zslang, s);
}
for (Iterator it = root.getElements("component").iterator(); it.hasNext(); ) {
final Element el = (Element) it.next();
final String name = IDOMs.getRequiredElementValue(el, "component-name");
String clsnm = el.getElementValue("component-class", true);
Class<? extends Component> cls = null;
if (clsnm != null) {
if (clsnm.length() > 0) {
noEL("component-class", clsnm, el);
try {
cls = locateClass(clsnm, Component.class);
} catch (Throwable ex) { // Feature 1873426
log.warn(
"Component "
+ name
+ " ignored. Reason: unable to load "
+ clsnm
+ " due to "
+ ex.getClass().getName()
+ ": "
+ ex.getMessage()
+ (ex instanceof NoClassDefFoundError ? "" : "\n" + el.getLocator()));
log.debug("", ex);
// keep processing (Feature 2060367)
}
} else {
clsnm = null;
}
}
final String macroURI = el.getElementValue("macro-uri", true);
final String templateURI = el.getElementValue("template-uri", true);
final ComponentDefinitionImpl compdef;
boolean extend = false;
if (macroURI != null && macroURI.length() != 0) {
if (log.isTraceEnabled()) log.trace("macro component definition: " + name);
final String inline = el.getElementValue("inline", true);
compdef =
(ComponentDefinitionImpl)
langdef.getMacroDefinition(name, macroURI, "true".equals(inline), null);
if (cls != null) compdef.setImplementationClass(cls);
else if (clsnm != null) compdef.setImplementationClass(clsnm);
compdef.setDeclarationURL(url);
langdef.addComponentDefinition(compdef);
} else if (templateURI != null && templateURI.length() != 0) { // apply template uri
extend = true;
String extendedCls = "apply";
final ComponentDefinition ref =
(ComponentDefinitionImpl) langdef.getShadowDefinitionIfAny(extendedCls);
if (extendedCls.equals(name)) {
compdef = (ComponentDefinitionImpl) ref;
} else {
compdef = (ComponentDefinitionImpl) ref.clone(ref.getLanguageDefinition(), name);
compdef.setDeclarationURL(url);
}
if (cls != null) compdef.setImplementationClass(cls);
else if (clsnm != null) compdef.setImplementationClass(clsnm);
langdef.addShadowDefinition(compdef);
compdef.addProperty("templateURI", templateURI);
} else if (el.getElement("extends") != null) { // extends
extend = true;
final String extnm = el.getElementValue("extends", true);
if (log.isTraceEnabled())
log.trace("Extends component definition, " + name + ", from " + extnm);
ComponentDefinition tmpRef = langdef.getComponentDefinitionIfAny(extnm);
if (tmpRef == null) // search Shadow
tmpRef = langdef.getShadowDefinitionIfAny(extnm);
final ComponentDefinition ref = tmpRef;
if (ref == null) {
log.warn(
"Component "
+ name
+ " ignored. Reason: extends a non-existent component "
+ extnm
+ ".\n"
+ el.getLocator());
// not throw exception since the derived component might be
// ignored due to class-not-found
continue;
}
if (ref.isMacro())
throw new UiException(message("Unable to extend from a macro component", el));
if (extnm.equals(name)) {
compdef = (ComponentDefinitionImpl) ref;
} else {
compdef = (ComponentDefinitionImpl) ref.clone(ref.getLanguageDefinition(), name);
compdef.setDeclarationURL(url);
}
if (cls != null) compdef.setImplementationClass(cls);
else if (clsnm != null) compdef.setImplementationClass(clsnm);
if (compdef.isShadowElement()) {
langdef.addShadowDefinition(compdef);
} else {
langdef.addComponentDefinition(compdef);
}
// Note: setImplementationClass before addComponentDefinition
} else {
if (log.isTraceEnabled()) log.trace("Add component definition: name=" + name);
if (cls == null && clsnm == null)
throw new UiException(message("component-class is required", el));
String s = el.getElementValue("shadow-element", true);
if (s != null && !"false".equals(s)) {
compdef =
cls != null
? new ShadowDefinitionImpl(langdef, null, name, cls)
: new ShadowDefinitionImpl(langdef, null, name, clsnm);
compdef.setDeclarationURL(url);
langdef.addShadowDefinition(compdef);
} else {
compdef =
cls != null
? new ComponentDefinitionImpl(langdef, null, name, cls)
: new ComponentDefinitionImpl(langdef, null, name, clsnm);
compdef.setDeclarationURL(url);
langdef.addComponentDefinition(compdef);
}
}
parseTextAs(compdef, el.getElement("text-as"));
String s = el.getElementValue("preserve-blank", true);
compdef.setBlankPreserved((s != null && !"false".equals(s)));
String wgtnm = el.getElementValue("widget-class", true);
WidgetDefinition wgtdef = null;
if (wgtnm == null && extend) wgtnm = compdef.getDefaultWidgetClass(null);
if (wgtnm != null) {
if (!withEL(wgtnm)) wgtdef = getWidgetDefinition(langdef, compdef, wgtnm);
compdef.setDefaultWidgetClass(wgtnm);
}
s = el.getElementValue("component-apply", true);
if (s == null) s = el.getElementValue("apply", true); // backward-compatible
compdef.setApply(s);
for (Iterator i = el.getElements("mold").iterator(); i.hasNext(); ) {
final Element e = (Element) i.next();
final String nm = IDOMs.getRequiredElementValue(e, "mold-name");
final String moldURI = e.getElementValue("mold-uri", true);
String cssURI = e.getElementValue("css-uri", true);
final String wn = e.getElementValue("widget-class", true);
noEL("mold-uri", moldURI, e); // 5.0 limitation
noEL("css-uri", cssURI, e);
compdef.addMold(nm, wn != null ? wn : wgtnm);
WidgetDefinition wd =
wn == null ? wgtdef : withEL(wn) ? null : getWidgetDefinition(langdef, compdef, wn);
if (moldURI != null) {
if (wd != null) wd.addMold(nm, moldURI);
else
log.error(
"Mold "
+ nm
+ " for "
+ name
+ " ignored because "
+ ((wn != null && withEL(wn)) || (wgtnm != null && withEL(wgtnm))
? "widget-class contains EL expressions"
: "widget-class is required")
+ ", "
+ e.getLocator());
}
if (cssURI != null && cssURI.length() > 0) {
final char cc = cssURI.charAt(0);
if (cc != '/' && cc != '~') {
String n = wn != null ? wn : wgtnm;
if (!withEL(n)) {
int k = n.lastIndexOf('.');
cssURI =
"~." + device.toAbsolutePath(n.substring(0, k).replace('.', '/') + '/' + cssURI);
} else {
log.error(
"Absolute path required for cssURI, since the widget class contains EL expressions, "
+ e.getLocator());
}
}
langdef.addCSSURI(cssURI);
}
}
for (Iterator e = parseCustAttrs(el).entrySet().iterator(); e.hasNext(); ) {
final Map.Entry me = (Map.Entry) e.next();
compdef.addCustomAttribute((String) me.getKey(), (String) me.getValue());
}
for (Iterator e = parseProps(el).entrySet().iterator(); e.hasNext(); ) {
final Map.Entry me = (Map.Entry) e.next();
compdef.addProperty((String) me.getKey(), (String) me.getValue());
}
parseAnnots(compdef, el);
}
}