com.ibm.research.tours.content.url.JavaURL.java Source code

Introduction

Here is the source code for com.ibm.research.tours.content.url.JavaURL.java

Source

/*******************************************************************************
 * Copyright (c) 2006-2007 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *     IBM Research
 *******************************************************************************/
package com.ibm.research.tours.content.url;

import org.eclipse.jdt.core.IField;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaModelException;

import com.ibm.research.tours.content.url.parser.URLParser;

public class JavaURL implements IURL {
    public static final String TYPE_PARAM = "type";
    public static final String SIGNATURE_PARAM = "signature";
    public static final String TYPE_TYPE = "type";
    public static final String METHOD_TYPE = "method";
    public static final String FIELD_TYPE = "field";

    private IJavaElement fElement;

    public JavaURL(IJavaElement element) {
        fElement = element;
    }

    public IJavaElement getJavaElement() {
        return fElement;
    }

    public String toPortableString() {
        String base = URLParser.ECLIPSE_PREAMBLE + fElement.getResource().getFullPath().toPortableString();

        if (fElement.getElementType() == IJavaElement.TYPE) {
            IType type = (IType) fElement;
            String typeParam = TYPE_PARAM + URLParser.PARAMETER_EQUALS + TYPE_TYPE;
            String nameParam = SIGNATURE_PARAM + URLParser.PARAMETER_EQUALS + type.getTypeQualifiedName('.');
            return base + URLParser.PARAMETER_START + typeParam + URLParser.PARAMETER_DELIM + nameParam;
        }
        if (fElement.getElementType() == IJavaElement.FIELD) {
            IField field = (IField) fElement;
            String typeParam = TYPE_PARAM + URLParser.PARAMETER_EQUALS + FIELD_TYPE;
            String nameParam = SIGNATURE_PARAM + URLParser.PARAMETER_EQUALS
                    + field.getDeclaringType().getTypeQualifiedName('.') + "." + field.getElementName();
            return base + URLParser.PARAMETER_START + typeParam + URLParser.PARAMETER_DELIM + nameParam;
        }
        if (fElement.getElementType() == IJavaElement.METHOD) {
            IMethod method = (IMethod) fElement;
            String signature = null;

            try {
                signature = Signature.toPortableString(method.getSignature(), method.getElementName(), false,
                        false);
            } catch (JavaModelException e) {
                e.printStackTrace();
            }

            String typeParam = TYPE_PARAM + URLParser.PARAMETER_EQUALS + METHOD_TYPE;
            String nameParam = SIGNATURE_PARAM + URLParser.PARAMETER_EQUALS
                    + method.getDeclaringType().getTypeQualifiedName('.') + "." + signature;
            return base + URLParser.PARAMETER_START + typeParam + URLParser.PARAMETER_DELIM + nameParam;
        }
        return "";
    }
}