javaenumtypewriter.java

Java有关XML编程需要用到axis 的源代码 把里面bin下的包导入相应的Java工程 进行使用

/*
 * Copyright 2001-2004 The Apache Software Foundation.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.axis.wsdl.toJava;

import org.apache.axis.utils.JavaUtils;
import org.apache.axis.utils.Messages;
import org.apache.axis.wsdl.symbolTable.TypeEntry;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Vector;

/**
 * This is Wsdl2java's Complex Type Writer.  It writes the <typeName>.java file.
 */
public class JavaEnumTypeWriter extends JavaClassWriter {

    /** Field elements */
    private Vector elements;

    /** Field type */
    private TypeEntry type;

    /**
     * Constructor.
     * 
     * @param emitter  
     * @param type     
     * @param elements 
     */
    protected JavaEnumTypeWriter(Emitter emitter, TypeEntry type,
                                 Vector elements) {

        super(emitter, type.getName(), "enumType");

        this.elements = elements;
        this.type = type;
    }    // ctor

    /**
     * Return "implements java.io.Serializable ".
     * 
     * @return 
     */
    protected String getImplementsText() {
        return "implements java.io.Serializable ";
    }    // getImplementsText

    /**
     * Generate the binding for the given enumeration type.
     * The values vector contains the base type (first index) and
     * the values (subsequent Strings)
     * 
     * @param pw 
     * @throws IOException 
     */
    protected void writeFileBody(PrintWriter pw) throws IOException {

        // Get the java name of the type
        String javaName = getClassName();

        // The first index is the base type.
        // The base type could be a non-object, if so get the corresponding Class.
        String baseType = ((TypeEntry) elements.get(0)).getName();
        String baseClass = baseType;

        if (baseType.indexOf("int") == 0) {
            baseClass = "java.lang.Integer";
        } else if (baseType.indexOf("char") == 0) {
            baseClass = "java.lang.Character";
        } else if (baseType.indexOf("short") == 0) {
            baseClass = "java.lang.Short";
        } else if (baseType.indexOf("long") == 0) {
            baseClass = "java.lang.Long";
        } else if (baseType.indexOf("double") == 0) {
            baseClass = "java.lang.Double";
        } else if (baseType.indexOf("float") == 0) {
            baseClass = "java.lang.Float";
        } else if (baseType.indexOf("byte") == 0) {
            baseClass = "java.lang.Byte";
        }

        // Create a list of the literal values.
        Vector values = new Vector();

        for (int i = 1; i < elements.size(); i++) {
            String value = (String) elements.get(i);

            if (baseClass.equals("java.lang.String")) {
                value = "\"" + value
                        + "\"";    // Surround literal with double quotes
            } else if (baseClass.equals("java.lang.Character")) {
                value = "'" + value + "'";
            } else if (baseClass.equals("java.lang.Float")) {
                if (!value.endsWith("F") && // Indicate float literal so javac
                        !value.endsWith(
                                "f")) {    // doesn't complain about precision.
                    value += "F";
                }
            } else if (baseClass.equals("java.lang.Long")) {
                if (!value.endsWith("L") && // Indicate float literal so javac
                        !value.endsWith(
                                "l")) {    // doesn't complain about precision.
                    value += "L";
                }
            } else if (baseClass.equals("javax.xml.namespace.QName")) {
                value = org.apache.axis.wsdl.symbolTable.Utils.getQNameFromPrefixedName(type.getNode(), value).toString();
                value = "javax.xml.namespace.QName.valueOf(\"" + value + "\")";
            } else if (baseClass.equals(baseType)) {

                // Construct baseClass object with literal string
                value = "new " + baseClass + "(\"" + value + "\")";
            }

            values.add(value);
        }

        // Create a list of ids
        Vector ids = getEnumValueIds(elements);

        // Each object has a private _value_ variable to store the base value
        pw.println("    private " + baseType + " _value_;");

        // The enumeration values are kept in a hashtable
        pw.println(
                "    private static java.util.HashMap _table_ = new java.util.HashMap();");
        pw.println("");

        // A protected constructor is used to create the static enumeration values
        pw.println("    // " + Messages.getMessage("ctor00"));
        pw.println("    protected " + javaName + "(" + baseType + " value) {");
        pw.println("        _value_ = value;");

        if (baseClass.equals("java.lang.String")
                || baseClass.equals(baseType)) {
            pw.println("        _table_.put(_value_,this);");
        } else {
            pw.println("        _table_.put(new " + baseClass
                    + "(_value_),this);");
        }

        pw.println("    }");
        pw.println("");

        // A public static variable of the base type is generated for each enumeration value.
        // Each variable is preceded by an _.
        for (int i = 0; i < ids.size(); i++) {
            
            // Need to catch the checked MalformedURIException for URI base types
            if(baseType.equals("org.apache.axis.types.URI")) {
                pw.println("    public static final " + baseType + " _" + ids.get(i) + ";");
                pw.println("    static {");
                pw.println("    	try {");
                pw.println("            _" + ids.get(i) + " = " + values.get(i) + ";");
                pw.println("        }");
                pw.println("        catch (org.apache.axis.types.URI.MalformedURIException mue) {");
                pw.println("            throw new java.lang.RuntimeException(mue.toString());");
                pw.println("        }");
                pw.println("    }");
                pw.println("");
            }
            else {
                pw.println("    public static final " + baseType + " _"
                    + ids.get(i) + " = " + values.get(i) + ";");
            }
        }

        // A public static variable is generated for each enumeration value.
        for (int i = 0; i < ids.size(); i++) {
            pw.println("    public static final " + javaName + " " + ids.get(i)
                    + " = new " + javaName + "(_" + ids.get(i) + ");");
        }

        // Getter that returns the base value of the enumeration value
        pw.println("    public " + baseType + " getValue() { return _value_;}");