packagecustom.java

对xml很好的java处理引擎,编译中绑定xml

/*
Copyright (c) 2007, Dennis M. Sosnoski
All rights reserved.

Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:

 * Redistributions of source code must retain the above copyright notice, this
   list of conditions and the following disclaimer.
 * Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.
 * Neither the name of JiBX nor the names of its contributors may be used
   to endorse or promote products derived from this software without specific
   prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

package org.jibx.binding.generator;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

import org.jibx.binding.model.IClassLocator;

/**
 * Package customization information.
 */
public class PackageCustom extends NestingBase implements IApply
{
    /** Element name in XML customization file. */
    public static final String ELEMENT_NAME = "package";
    
    // values specific to package level
    private String m_simpleName;
    private String m_fullName;
    
    // flag for namespace derivation done (from apply() method)
    private boolean m_fixedNamespace;
    
    // map from simple name to class information for classes in package
    private Map m_classMap;

    /**
     * Constructor. This has package access so that it can be used from the
     * {@link GlobalCustom} class.
     * 
     * @param simple simple package name
     * @param full fully-qualified package name
     * @param parent 
     */
    /*package*/ PackageCustom(String simple, String full, NestingBase parent) {
        super(parent);
        m_simpleName = simple;
        m_fullName = full;
        m_classMap = new HashMap();
    }

    /**
     * Get fully-qualified package name.
     *
     * @return package name (empty string if default package)
     */
    public String getName() {
        return m_fullName;
    }
    
    /**
     * Get existing information for class in this package.
     *
     * @param name simple class name (without package)
     * @return class information (<code>null</code> if no existing information)
     */
    public ClassCustom getClassCustomization(String name) {
        return (ClassCustom)m_classMap.get(name);
    }
    
    /**
     * Add information for class in this package. This just creates the basic
     * class information structure and returns it, without populating the class
     * details.
     *
     * @param name simple class name (without package)
     * @return class information (<code>null</code> if no existing information)
     */
    /*package*/ ClassCustom addClassCustomization(String name) {
        ClassCustom clas = new ClassCustom(this, name);
        m_classMap.put(name, clas);
        return clas;
    }
    
    /**
     * Apply customizations to default values. This fills in the information for
     * classes in this package by deriving information for fields or properties
     * in each class. This is intended to be used once, after customizations
     * have been unmarshalled.
     * 
     * @param loc class locator
     */
    public void apply(IClassLocator loc) {
        
        // derive namespace from parent setting, if not specified
        String ns = getSpecifiedNamespace();
        if (ns == null) {
            SharedNestingBase parent = getParent();
            if (parent instanceof PackageCustom &&
                !((PackageCustom)parent).m_fixedNamespace) {
                ((PackageCustom)parent).apply(loc);
            }
            ns = deriveNamespace(parent.getNamespace(), m_fullName,
                getNamespaceStyle());
        }
        setNamespace(ns);
        m_fixedNamespace = true;
        
        // apply customizations for all classes
        for (Iterator iter = m_classMap.values().iterator(); iter.hasNext();) {
            ((ClassCustom)iter.next()).apply(loc);
        }
    }
}