本文整理汇总了Java中org.apache.el.parser.AstDynamicExpression类的典型用法代码示例。如果您正苦于以下问题：Java AstDynamicExpression类的具体用法？Java AstDynamicExpression怎么用？Java AstDynamicExpression使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
AstDynamicExpression类属于org.apache.el.parser包，在下文中一共展示了AstDynamicExpression类的6个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: build
import org.apache.el.parser.AstDynamicExpression; //导入依赖的package包/类
private Node build() throws ELException {
Node n = createNodeInternal(this.expression);
this.prepare(n);
if (n instanceof AstDeferredExpression
|| n instanceof AstDynamicExpression) {
n = n.jjtGetChild(0);
}
return n;
}
示例2: build
import org.apache.el.parser.AstDynamicExpression; //导入依赖的package包/类
private Node build() throws ELException {
Node n = createNodeInternal(this.expression);
this.prepare(n);
if (n instanceof AstDeferredExpression || n instanceof AstDynamicExpression) {
n = n.jjtGetChild(0);
}
return n;
}
示例3: createNodeInternal
import org.apache.el.parser.AstDynamicExpression; //导入依赖的package包/类
private static final Node createNodeInternal(String expr)
throws ELException {
if (expr == null) {
throw new ELException(MessageFactory.get("error.null"));
}
Node n = cache.get(expr);
if (n == null) {
try {
n = (new ELParser(new StringReader(expr)))
.CompositeExpression();
// validate composite expression
int numChildren = n.jjtGetNumChildren();
if (numChildren == 1) {
n = n.jjtGetChild(0);
} else {
Class<?> type = null;
Node child = null;
for (int i = 0; i < numChildren; i++) {
child = n.jjtGetChild(i);
if (child instanceof AstLiteralExpression)
continue;
if (type == null)
type = child.getClass();
else {
if (!type.equals(child.getClass())) {
throw new ELException(MessageFactory.get(
"error.mixed", expr));
}
}
}
}
if (n instanceof AstDeferredExpression
|| n instanceof AstDynamicExpression) {
n = n.jjtGetChild(0);
}
cache.put(expr, n);
} catch (Exception e) {
throw new ELException(
MessageFactory.get("error.parseFail", expr), e);
}
}
return n;
}
示例4: createNodeInternal
import org.apache.el.parser.AstDynamicExpression; //导入依赖的package包/类
private final static Node createNodeInternal(String expr)
throws ELException {
if (expr == null) {
throw new ELException(MessageFactory.get("error.null"));
}
Node n = (Node) cache.get(expr);
if (n == null) {
try {
n = (new ELParser(new StringReader(expr)))
.CompositeExpression();
// validate composite expression
if (n instanceof AstCompositeExpression) {
int numChildren = n.jjtGetNumChildren();
if (numChildren == 1) {
n = n.jjtGetChild(0);
} else {
Class type = null;
Node child = null;
for (int i = 0; i < numChildren; i++) {
child = n.jjtGetChild(i);
if (child instanceof AstLiteralExpression)
continue;
if (type == null)
type = child.getClass();
else {
if (!type.equals(child.getClass())) {
throw new ELException(MessageFactory.get(
"error.mixed", expr));
}
}
}
}
}
if (n instanceof AstDeferredExpression
|| n instanceof AstDynamicExpression) {
n = n.jjtGetChild(0);
}
cache.put(expr, n);
} catch (ParseException pe) {
throw new ELException("Error Parsing: " + expr, pe);
}
}
return n;
}
示例5: build
import org.apache.el.parser.AstDynamicExpression; //导入依赖的package包/类
private Node build() throws ELException {
Node n = createNodeInternal(this.expression);
this.prepare(n);
if (n instanceof AstDeferredExpression
|| n instanceof AstDynamicExpression) {
n = n.jjtGetChild(0);
}
return n;
}
示例6: createNodeInternal
import org.apache.el.parser.AstDynamicExpression; //导入依赖的package包/类
private static final Node createNodeInternal(String expr) throws ELException {
if (expr == null) {
throw new ELException(MessageFactory.get("error.null"));
}
Node n = cache.get(expr);
if (n == null) {
try {
n = (new ELParser(new StringReader(expr))).CompositeExpression();
// validate composite expression
int numChildren = n.jjtGetNumChildren();
if (numChildren == 1) {
n = n.jjtGetChild(0);
} else {
Class<?> type = null;
Node child = null;
for (int i = 0; i < numChildren; i++) {
child = n.jjtGetChild(i);
if (child instanceof AstLiteralExpression)
continue;
if (type == null)
type = child.getClass();
else {
if (!type.equals(child.getClass())) {
throw new ELException(MessageFactory.get("error.mixed", expr));
}
}
}
}
if (n instanceof AstDeferredExpression || n instanceof AstDynamicExpression) {
n = n.jjtGetChild(0);
}
cache.put(expr, n);
} catch (Exception e) {
throw new ELException(MessageFactory.get("error.parseFail", expr), e);
}
}
return n;
}