Java Flags.isVarargs方法代码示例

import org.eclipse.jdt.core.Flags; //导入方法依赖的package包/类
/**
 * Appends the parameter list to <code>buffer</code>.
 *
 * @param buffer the buffer to append to
 * @param methodProposal the method proposal
 * @return the modified <code>buffer</code>
 */
private StringBuilder appendUnboundedParameterList(StringBuilder buffer, CompletionProposal methodProposal) {
	// TODO remove once https://bugs.eclipse.org/bugs/show_bug.cgi?id=85293
	// gets fixed.
	char[] signature= SignatureUtil.fix83600(methodProposal.getSignature());
	char[][] parameterNames= methodProposal.findParameterNames(null);
	char[][] parameterTypes= Signature.getParameterTypes(signature);

	for (int i= 0; i < parameterTypes.length; i++) {
		parameterTypes[i]= createTypeDisplayName(SignatureUtil.getLowerBound(parameterTypes[i]));
	}

	if (Flags.isVarargs(methodProposal.getFlags())) {
		int index= parameterTypes.length - 1;
		parameterTypes[index]= convertToVararg(parameterTypes[index]);
	}
	return appendParameterSignature(buffer, parameterTypes, parameterNames);
}
 

import org.eclipse.jdt.core.Flags; //导入方法依赖的package包/类
/**
 * Appends the parameter list to <code>buffer</code>.
 *
 * @param buffer the buffer to append to
 * @param methodProposal the method proposal
 * @return the modified <code>buffer</code>
 */
private StyledString appendUnboundedParameterList(
    StyledString buffer, CompletionProposal methodProposal) {
  // TODO remove once https://bugs.eclipse.org/bugs/show_bug.cgi?id=85293
  // gets fixed.
  char[] signature = SignatureUtil.fix83600(methodProposal.getSignature());
  char[][] parameterNames = methodProposal.findParameterNames(null);
  char[][] parameterTypes = Signature.getParameterTypes(signature);

  for (int i = 0; i < parameterTypes.length; i++)
    parameterTypes[i] = createTypeDisplayName(SignatureUtil.getLowerBound(parameterTypes[i]));

  if (Flags.isVarargs(methodProposal.getFlags())) {
    int index = parameterTypes.length - 1;
    parameterTypes[index] = convertToVararg(parameterTypes[index]);
  }
  return appendParameterSignature(buffer, parameterTypes, parameterNames);
}
 

import org.eclipse.jdt.core.Flags; //导入方法依赖的package包/类
public SignatureInformation toSignatureInformation(CompletionProposal methodProposal) {
	SignatureInformation $ = new SignatureInformation();
	StringBuilder desription = descriptionProvider.createMethodProposalDescription(methodProposal);
	$.setLabel(desription.toString());
	$.setDocumentation(this.computeJavaDoc(methodProposal));

	char[] signature = SignatureUtil.fix83600(methodProposal.getSignature());
	char[][] parameterNames = methodProposal.findParameterNames(null);
	char[][] parameterTypes = Signature.getParameterTypes(signature);

	for (int i = 0; i < parameterTypes.length; i++) {
		parameterTypes[i] = Signature.getSimpleName(Signature.toCharArray(SignatureUtil.getLowerBound(parameterTypes[i])));
	}

	if (Flags.isVarargs(methodProposal.getFlags())) {
		int index = parameterTypes.length - 1;
		parameterTypes[index] = convertToVararg(parameterTypes[index]);
	}

	List<ParameterInformation> parameterInfos = new LinkedList<>();
	for (int i = 0; i < parameterTypes.length; i++) {
		StringBuilder builder = new StringBuilder();
		builder.append(parameterTypes[i]);
		builder.append(' ');
		builder.append(parameterNames[i]);

		parameterInfos.add(new ParameterInformation(builder.toString(), null));
	}

	$.setParameters(parameterInfos);

	return $;
}
 

import org.eclipse.jdt.core.Flags; //导入方法依赖的package包/类
public static boolean isVarargs(IMethod method) throws JavaModelException {
  return Flags.isVarargs(method.getFlags());
}
 

import org.eclipse.jdt.core.Flags; //导入方法依赖的package包/类
private static void appendMethodReference(IMethod meth, StringBuffer buf)
    throws JavaModelException {
  buf.append(meth.getElementName());

  /*
   * The Javadoc tool for Java SE 8 changed the anchor syntax and now tries to avoid "strange" characters in URLs.
   * This breaks all clients that directly create such URLs.
   * We can't know what format is required, so we just guess by the project's compiler compliance.
   */
  boolean is18OrHigher = JavaModelUtil.is18OrHigher(meth.getJavaProject());
  buf.append(is18OrHigher ? '-' : '(');
  String[] params = meth.getParameterTypes();
  IType declaringType = meth.getDeclaringType();
  boolean isVararg = Flags.isVarargs(meth.getFlags());
  int lastParam = params.length - 1;
  for (int i = 0; i <= lastParam; i++) {
    if (i != 0) {
      buf.append(is18OrHigher ? "-" : ", "); // $NON-NLS-1$ //$NON-NLS-2$
    }
    String curr = Signature.getTypeErasure(params[i]);
    String fullName = JavaModelUtil.getResolvedTypeName(curr, declaringType);
    if (fullName == null) { // e.g. a type parameter "QE;"
      fullName = Signature.toString(Signature.getElementType(curr));
    }
    if (fullName != null) {
      buf.append(fullName);
      int dim = Signature.getArrayCount(curr);
      if (i == lastParam && isVararg) {
        dim--;
      }
      while (dim > 0) {
        buf.append(is18OrHigher ? ":A" : "[]"); // $NON-NLS-1$ //$NON-NLS-2$
        dim--;
      }
      if (i == lastParam && isVararg) {
        buf.append("..."); // $NON-NLS-1$
      }
    }
  }
  buf.append(is18OrHigher ? '-' : ')');
}