Example usage for com.google.gwt.core.ext.typeinfo JGenericType getTypeParameters

Introduction

In this page you can find the example usage for com.google.gwt.core.ext.typeinfo JGenericType getTypeParameters.

Prototype

JTypeParameter[] getTypeParameters();

Source Link

Document

Returns the type parameters on this element.

Usage

From source file:com.github.nmorel.gwtjackson.rebind.AbstractCreator.java

License:Apache License

private ImmutableList<? extends JType> getTypeParameters(JClassType classType, boolean subtype) {
    JParameterizedType parameterizedType = classType.isParameterized();
    if (null != parameterizedType) {
        return ImmutableList.copyOf(parameterizedType.getTypeArgs());
    }/*from   ww  w  .  j  a v  a 2 s.  c o m*/

    JGenericType genericType = classType.isGenericType();
    if (null != genericType) {
        if (subtype) {
            // if it's a subtype we look for parent in hierarchy equals to mapped class
            JClassType mappedClassType = getMapperInfo().get().getType();
            JClassType parentClassType = null;
            for (JClassType parent : genericType.getFlattenedSupertypeHierarchy()) {
                if (parent.getQualifiedSourceName().equals(mappedClassType.getQualifiedSourceName())) {
                    parentClassType = parent;
                    break;
                }
            }

            ImmutableList.Builder<JType> builder = ImmutableList.builder();
            for (JTypeParameter typeParameter : genericType.getTypeParameters()) {
                JType arg = null;
                if (null != parentClassType && null != parentClassType.isParameterized()) {
                    int i = 0;
                    for (JClassType parentTypeParameter : parentClassType.isParameterized().getTypeArgs()) {
                        if (null != parentTypeParameter.isTypeParameter() && parentTypeParameter
                                .isTypeParameter().getName().equals(typeParameter.getName())) {
                            if (null != mappedClassType.isGenericType()) {
                                arg = mappedClassType.isGenericType().getTypeParameters()[i];
                            } else {
                                arg = mappedClassType.isParameterized().getTypeArgs()[i];
                            }
                            break;
                        }
                        i++;
                    }
                }
                if (null == arg) {
                    arg = typeParameter.getBaseType();
                }
                builder.add(arg);
            }
            return builder.build();
        } else {
            ImmutableList.Builder<JType> builder = ImmutableList.builder();
            for (JTypeParameter typeParameter : genericType.getTypeParameters()) {
                builder.add(typeParameter.getBaseType());
            }
            return builder.build();
        }
    }

    return ImmutableList.of();
}

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From source file:org.fusesource.restygwt.rebind.DirectRestBaseSourceCreator.java

License:Apache License

private String createClassDeclarationGenericType() {
    String parameters = "";
    if (source instanceof JGenericType) {
        JGenericType genericType = (JGenericType) source;
        StringBuilder builder = new StringBuilder();
        builder.append("<");
        boolean first = true;
        for (JTypeParameter arg : genericType.getTypeParameters()) {
            if (!first)
                builder.append(",");
            builder.append(arg.getName());
            builder.append(" extends ");
            builder.append(arg.getFirstBound().getParameterizedQualifiedSourceName());
            first = false;/*ww w .  j  a v  a  2 s  .  c o m*/
        }
        builder.append(">");
        parameters = builder.toString();
    }
    return parameters;
}

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From source file:org.jboss.errai.codegen.meta.impl.gwt.GWTClass.java

License:Apache License

@Override
public MetaTypeVariable[] getTypeParameters() {
    final List<MetaTypeVariable> typeVariables = new ArrayList<MetaTypeVariable>();
    final JGenericType genericType = getEnclosedMetaObject().isGenericType();

    if (genericType != null) {
        for (final JTypeParameter typeParameter : genericType.getTypeParameters()) {
            typeVariables.add(new GWTTypeVariable(oracle, typeParameter));
        }//from  ww w . jav a2 s . c om
    }

    return typeVariables.toArray(new MetaTypeVariable[typeVariables.size()]);
}

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From source file:org.jboss.errai.ioc.rebind.ioc.codegen.meta.impl.gwt.GWTClass.java

License:Apache License

@Override
public MetaTypeVariable[] getTypeParameters() {
    List<MetaTypeVariable> typeVariables = new ArrayList<MetaTypeVariable>();
    JGenericType genericType = getEnclosedMetaObject().isGenericType();

    if (genericType != null) {
        for (JTypeParameter typeParameter : genericType.getTypeParameters()) {
            typeVariables.add(new GWTTypeVariable(typeParameter));
        }//  w w  w  . jav  a 2 s .  c  o m
    }

    return typeVariables.toArray(new MetaTypeVariable[typeVariables.size()]);
}

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