net.sourceforge.pmd.lang.java.ast.ASTTryStatement Maven / Gradle / Ivy
/**
* BSD-style license; for more info see http://pmd.sourceforge.net/license.html
*/
package net.sourceforge.pmd.lang.java.ast;
import org.checkerframework.checker.nullness.qual.Nullable;
import net.sourceforge.pmd.lang.ast.NodeStream;
/**
* Try statement node.
*
*
*
*
* TryStatement ::= "try" {@link ASTResourceList ResourceList}?
* {@link ASTBlock Block}
* {@link ASTCatchClause CatchClause}*
* {@link ASTFinallyClause FinallyClause}?
*
*
*/
public final class ASTTryStatement extends AbstractStatement {
ASTTryStatement(int id) {
super(id);
}
@Override
protected R acceptVisitor(JavaVisitor visitor, P data) {
return visitor.visit(this, data);
}
/**
* Returns true if this node is a try-with-resources, in which case it
* has a ResourceSpecification child node.
*/
public boolean isTryWithResources() {
return getChild(0) instanceof ASTResourceList;
}
/**
* Returns the node for the resource list. This is null if this is
* not a try-with-resources.
*/
@Nullable
public ASTResourceList getResources() {
return AstImplUtil.getChildAs(this, 0, ASTResourceList.class);
}
/**
* Returns the body of this try statement.
*/
public ASTBlock getBody() {
return children(ASTBlock.class).first();
}
/**
* Returns the catch statement nodes of this try statement.
* If there are none, returns an empty list.
*/
public NodeStream getCatchClauses() {
return children(ASTCatchClause.class);
}
/**
* Returns the {@code finally} clause of this try statement, if any.
*
* @return The finally statement, or null if there is none
*/
@Nullable
public ASTFinallyClause getFinallyClause() {
return firstChild(ASTFinallyClause.class);
}
}