Example usage for javax.annotation.processing Messager printMessage

Introduction

In this page you can find the example usage for javax.annotation.processing Messager printMessage.

Prototype

void printMessage(Diagnostic.Kind kind, CharSequence msg, Element e);

Source Link

Document

Prints a message of the specified kind at the location of the element.

Usage

From source file:Main.java

private static void _error(Messager messager, Element element, String message, Object... args) {
    if (args.length > 0) {
        message = String.format(message, args);
    }/*from ww w . j  a  va2s .co  m*/
    messager.printMessage(Diagnostic.Kind.ERROR, message, element);
}

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From source file:de.hasait.genesis.base.util.GenesisUtils.java

public static void printError(final Messager pMessager, final Element pElement, final String pFormat,
        final Object... pArgs) {
    final String message = String.format(pFormat, pArgs);
    pMessager.printMessage(Diagnostic.Kind.ERROR, message, pElement);
}

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From source file:de.hasait.genesis.base.util.GenesisUtils.java

public static void printNote(final Messager pMessager, final Element pElement, final String pFormat,
        final Object... pArgs) {
    final String message = String.format(pFormat, pArgs);
    pMessager.printMessage(Diagnostic.Kind.NOTE, message, pElement);
}

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From source file:de.hasait.genesis.base.util.GenesisUtils.java

public static void printStackTrace(final Messager pMessager, final Element pElement, final Throwable pThrowable,
        final String pFormat, final Object... pArgs) {
    final StringWriter sw = new StringWriter();
    final PrintWriter pw = new PrintWriter(sw);
    final String message = String.format(pFormat, pArgs);
    pw.println(message);//w  w w . j  av a 2  s. co  m
    pThrowable.printStackTrace(pw);
    pw.flush();
    pMessager.printMessage(Diagnostic.Kind.ERROR, sw.toString(), pElement);
}

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From source file:org.jdto.tools.AnnotationConfigVerifier.java

private void validateElementConfiguration(SourceConfiguration sourceConfig, Element getter,
        TypeElement targetObject, Messager messager) {

    String sourceProperty = sourceConfig.getPropertyName();

    //means unknown configuration.
    if (sourceProperty == null) {
        return;//from w w w  .j  av a 2s.c  om
    }

    //source does not need to be validated.
    if (Source.ROOT_OBJECT.equals(sourceProperty)) {
        return;
    }

    //split the properties.
    String[] propertyPath = StringUtils.split(sourceProperty, ".");

    TypeElement currentObject = targetObject;

    //go through the paths looking for the getters.

    for (String property : propertyPath) {

        ExecutableElement element = ModelUtils.findGetterOnType(currentObject, property);

        //the target object should have the getter.
        if (element == null) {
            messager.printMessage(Diagnostic.Kind.MANDATORY_WARNING,
                    "Property " + property + " not found on type: " + currentObject,
                    sourceConfig.getConfiguredElement());
            break; //no further analysis can be done.
        } else {
            currentObject = (TypeElement) processingEnv.getTypeUtils().asElement(element.getReturnType());
        }
    }

}

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From source file:org.jdto.tools.AnnotationConfigVerifier.java

private TypeElement extractTargetType(Element element, TypeElement annotationElement, Messager messager) {

    List<? extends AnnotationMirror> am = element.getAnnotationMirrors();

    for (AnnotationMirror annotationMirror : am) {
        if (annotationMirror.getAnnotationType().equals(annotationElement.asType())) {

            //the annotation has only one argument so is easy to extract the value
            Map<? extends ExecutableElement, ? extends AnnotationValue> map = processingEnv.getElementUtils()
                    .getElementValuesWithDefaults(annotationMirror);

            //iterate and return the first value.
            for (ExecutableElement executableElement : map.keySet()) {

                AnnotationValue val = map.get(executableElement);

                String type = val.getValue().toString();

                return super.processingEnv.getElementUtils().getTypeElement(type);
            }// w  ww.  j ava  2 s .c o m

            return null;

        }
    }

    messager.printMessage(Diagnostic.Kind.ERROR, "Could not find target class on element", element);
    return null;
}

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From source file:org.jdto.tools.AnnotationConfigVerifier.java

private SourceConfiguration extractSourceProperty(TypeElement element, Element getter, Messager msg) {

    //check for annotations.
    Source annot = getter.getAnnotation(Source.class);

    if (annot != null) {
        return new SourceConfiguration(annot.value(), getter);
    }/*  w ww . j  ava2s  . c  o  m*/

    //normalize the value.
    String name = getter.getSimpleName().toString();

    name = (name.startsWith("is")) ? name.substring(2) : name.substring(3);

    //uncapitalize.
    name = StringUtils.uncapitalize(name);

    //config might be on the setter which is incorrect.
    Element setter = ModelUtils.findSetterOnType(element, name);

    annot = setter.getAnnotation(Source.class);

    if (annot != null) {
        msg.printMessage(Diagnostic.Kind.MANDATORY_WARNING,
                "@Source or @Sources annotation must not appear on setters", setter);
    }

    //at this point the annotaiton is either on the field or not present.
    Element field = ModelUtils.findFieldOnType(element, name);

    //if no field is found, that is a valid configuration. return the name of the property.
    if (field == null) {
        return new SourceConfiguration(name, getter);
    }

    //if no annotation is present on the field then also return the field name.
    annot = field.getAnnotation(Source.class);

    if (annot == null) {
        return new SourceConfiguration(name, field);
    }

    //if the field is annotated, issue a compiler warning for performance.
    msg.printMessage(Diagnostic.Kind.MANDATORY_WARNING,
            "Annotations on getters perform better than annotations on fields.", field);

    return new SourceConfiguration(annot.value(), field);
}

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