@Override
public void startElement(String uri, String localName, String qName, Attributes attributes)
throws SAXException {
if ("item".equals(qName)) {
externalName = attributes.getValue("name");
} else if ("annotation".equals(qName)) {
annotationFQN = attributes.getValue("name");
arguments = new StringBuilder();
} else if ("val".equals(qName)) {
if (arguments.length() != 0) {
arguments.append(",");
}
String name = attributes.getValue("name");
if (name != null) {
arguments.append(name);
arguments.append("=");
}
arguments.append(attributes.getValue("val"));
}
}
@Override
public void endElement(String uri, String localName, String qName) throws SAXException {
if ("item".equals(qName)) {
externalName = null;
} else if ("annotation".equals(qName)) {
if (externalName != null && annotationFQN != null) {
String argumentsString = arguments.length() == 0 ? "" : intern(arguments.toString());
for (AnnotationData existingData : data.get(externalName)) {
if (existingData.annotationClassFqName.equals(annotationFQN)) {
duplicateError(file, externalName, "Duplicate annotation '" + annotationFQN + "' ");
}
}
AnnotationData annData =
internAnnotationData(new AnnotationData(annotationFQN, argumentsString));
data.add(externalName, annData);
annotationFQN = null;
arguments = null;
}
}
}
@NotNull
@Override
public PsiTypeParameter createTypeParameter(String name, PsiClassType[] superTypes) {
@NonNls StringBuilder builder = new StringBuilder();
builder.append("public <").append(name);
if (superTypes.length > 1
|| superTypes.length == 1
&& !superTypes[0].equalsToText(CommonClassNames.JAVA_LANG_OBJECT)) {
builder.append(" extends ");
for (PsiClassType type : superTypes) {
if (type.equalsToText(CommonClassNames.JAVA_LANG_OBJECT)) continue;
builder.append(type.getCanonicalText()).append('&');
}
builder.delete(builder.length() - 1, builder.length());
}
builder.append("> void foo(){}");
try {
return createMethodFromText(builder.toString(), null).getTypeParameters()[0];
} catch (RuntimeException e) {
throw new IncorrectOperationException("type parameter text: " + builder.toString());
}
}
@NotNull
@Override
public PsiDocTag createParamTag(
@NotNull final String parameterName, @NonNls final String description)
throws IncorrectOperationException {
@NonNls final StringBuilder builder = new StringBuilder();
builder.append(" * @param ");
builder.append(parameterName);
builder.append(" ");
final String[] strings = description.split("\\n");
for (int i = 0; i < strings.length; i++) {
if (i > 0) builder.append("\n * ");
builder.append(strings[i]);
}
return createDocTagFromText(builder.toString());
}
@NotNull
@Override
public PsiReferenceList createReferenceList(
@NotNull final PsiJavaCodeReferenceElement[] references) throws IncorrectOperationException {
@NonNls final StringBuilder builder = new StringBuilder();
builder.append("void method()");
if (references.length > 0) {
builder.append(" throws ");
for (int i = 0; i < references.length; i++) {
if (i > 0) builder.append(", ");
builder.append(references[i].getCanonicalText());
}
}
builder.append(';');
return createMethodFromText(builder.toString(), null).getThrowsList();
}
@NotNull
@Override
public PsiParameterList createParameterList(
@NotNull final String[] names, @NotNull final PsiType[] types)
throws IncorrectOperationException {
@NonNls StringBuilder builder = new StringBuilder();
builder.append("void method(");
for (int i = 0; i < names.length; i++) {
if (i > 0) builder.append(", ");
builder.append(types[i].getCanonicalText()).append(' ').append(names[i]);
}
builder.append(");");
return createMethodFromText(builder.toString(), null).getParameterList();
}
// This method is used for legacy reasons.
// Old external annotations sometimes are bad XML: they have "<" and ">" characters in attributes
// values. To prevent SAX parser from
// failing, we escape attributes values.
@NotNull
private static String escapeAttributes(@NotNull String invalidXml) {
// We assume that XML has single- and double-quote characters only for attribute values,
// therefore we don't any complex parsing,
// just have binary inAttribute state
StringBuilder buf = new StringBuilder(invalidXml.length());
boolean inAttribute = false;
for (int i = 0; i < invalidXml.length(); i++) {
char c = invalidXml.charAt(i);
if (inAttribute && c == '<') {
buf.append("<");
} else if (inAttribute && c == '>') {
buf.append(">");
} else if (c == '\"' || c == '\'') {
buf.append('\"');
inAttribute = !inAttribute;
} else {
buf.append(c);
}
}
return buf.toString();
}