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/*
* Copyright (c) 2007-2008, 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.custom.classes;
import java.util.Collection;
import org.jibx.runtime.EnumSet;
import org.jibx.runtime.IUnmarshallingContext;
import org.jibx.runtime.impl.UnmarshallingContext;
import org.jibx.schema.validation.ValidationContext;
import org.jibx.util.NameUtilities;
import org.jibx.util.StringArray;
/**
* Base class for all customizations. This defines a way to navigate up the tree of nested components without making
* assumptions about the specific type of the containing components. This allows for other types of customizations,
* beyond the binding customizations included directly in this package. This also includes enumeration definitions which
* are used with both base and extension customizations.
*
* @author Dennis M. Sosnoski
*/
public class CustomBase
{
// name style value set information
public static final int CAMEL_CASE_NAMES = 0;
public static final int UPPER_CAMEL_CASE_NAMES = 1;
public static final int HYPHENATED_NAMES = 2;
public static final int DOTTED_NAMES = 3;
public static final int UNDERSCORED_NAMES = 4;
public static final EnumSet s_nameStyleEnum =
new EnumSet(CAMEL_CASE_NAMES, new String[] { "camel-case", "upper-camel-case", "hyphenated", "dotted",
"underscored" });
// require value set information
public static final int REQUIRE_NONE = 0;
public static final int REQUIRE_PRIMITIVES = 1;
public static final int REQUIRE_OBJECTS = 2;
public static final int REQUIRE_ALL = 3;
public static final EnumSet s_requireEnum =
new EnumSet(REQUIRE_NONE, new String[] { "none", "primitives", "objects", "all" });
// derive-namespace value set information
public static final int DERIVE_NONE = 0;
public static final int DERIVE_BY_PACKAGE = 1;
public static final int DERIVE_FIXED = 2;
public static final EnumSet s_namespaceStyleEnum =
new EnumSet(DERIVE_NONE, new String[] { "none", "package", "fixed" });
// parent element (null if none) - would be final, except for unmarshalling
private SharedNestingBase m_parent;
/**
* Constructor.
*
* @param parent Parent base
*/
public CustomBase(SharedNestingBase parent) {
m_parent = parent;
}
/**
* Get container.
*
* @return container
*/
public SharedNestingBase getParent() {
return m_parent;
}
/**
* Get global customizations root.
*
* @return global customization
*/
public GlobalCustom getGlobal() {
CustomBase parent = m_parent;
while (!(parent instanceof GlobalCustom)) {
parent = parent.getParent();
}
return (GlobalCustom)parent;
}
/**
* Convert class, method, or parameter name to XML name.
*
* @param base class or simple field name to be converted
* @param code conversion format style code
* @return XML name
*/
public static String convertName(String base, int code) {
// strip off trailing array indication
while (base.endsWith("[]")) {
base = base.substring(0, base.length() - 2);
}
// skip any leading special characters in name
int length = base.length();
int offset = -1;
char chr = 0;
while (++offset < length && ((chr = base.charAt(offset)) == '_' || (chr == '$')));
if (offset >= length) {
return "_";
} else {
// make sure valid first character of name
StringBuffer buff = new StringBuffer();
if (Character.isDigit(chr)) {
buff.append('_');
}
// scan for word splits in supplied name
boolean split = true;
boolean caps = false;
while (offset < length) {
// split if underscore or change to upper case, or upper ending
chr = base.charAt(offset++);
boolean nextlower = offset < length && !Character.isUpperCase(base.charAt(offset));
if (chr == '_') {
split = true;
continue;
} else if (Character.isUpperCase(chr)) {
if (!caps || nextlower) {
split = true;
}
if (code != CAMEL_CASE_NAMES && code != UPPER_CAMEL_CASE_NAMES) {
chr = Character.toLowerCase(chr);
}
}
if (split) {
// convert word break
caps = !nextlower;
boolean tolower = false;
char separator = 0;
switch (code) {
case CAMEL_CASE_NAMES: {
if (buff.length() != 0) {
chr = Character.toUpperCase(chr);
tolower = false;
} else {
tolower = nextlower || offset == length;
}
break;
}
case UPPER_CAMEL_CASE_NAMES: {
tolower = false;
chr = Character.toUpperCase(chr);
break;
}
case HYPHENATED_NAMES: {
separator = '-';
break;
}
case DOTTED_NAMES: {
separator = '.';
break;
}
case UNDERSCORED_NAMES: {
separator = '_';
break;
}
}
if (separator > 0 && buff.length() > 0) {
buff.append(separator);
}
if (tolower) {
chr = Character.toLowerCase(chr);
}
split = false;
}
if (chr != '$') {
// no split, just append the character
buff.append(chr);
}
}
return buff.toString();
}
}
/**
* Derive name for item in a collection. If the supplied collection name ends in a recognized plural form the
* derived item name is the singular version of the collection name. Otherwise, it is the converted name of the
* collection item class, or just "item" if the class is unknown. TODO: internationalization?
*
* @param cname collection name (null if none)
* @param type item type (null if unknown)
* @param code conversion format style code
* @return item name
*/
public static String deriveItemName(String cname, String type, int code) {
if (cname != null) {
String name = NameUtilities.depluralize(cname);
if (!name.equals(cname)) {
return name;
}
}
if (type != null && !"java.lang.Object".equals(type)) {
return convertName(type.substring(type.lastIndexOf('.') + 1), code);
} else {
return "item";
}
}
/**
* Get the package from a fully-qualified type name.
*
* @param type fully-qualified type name
* @return package of the type (empty string if in default package)
*/
public static String packageOfType(String type) {
int split = type.lastIndexOf('.');
if (split >= 0) {
return type.substring(0, split);
} else {
return "";
}
}
/**
* Create a namespace URL from a package path.
*
* @param pkgpth fully-qualified package name
* @return namespace based on package (null if none)
*/
public static String packageToNamespace(String pkgpth) {
int mark = pkgpth.indexOf('.');
if (mark >= 0) {
StringBuffer buff = new StringBuffer();
buff.append("http://");
String comp = pkgpth.substring(0, mark);
int base = mark + 1;
char delim = '.';
if ("com".equals(comp) || "net".equals(comp) || "org".equals(comp)) {
mark = pkgpth.indexOf('.', base);
if (mark > 0) {
buff.append(pkgpth.substring(base, mark));
} else {
buff.append(pkgpth.substring(base));
}
buff.append('.');
base = mark + 1;
delim = '/';
}
buff.append(comp);
while (mark > 0) {
buff.append(delim);
base = mark + 1;
mark = pkgpth.indexOf('.', base);
if (mark > 0) {
buff.append(pkgpth.substring(base, mark));
} else {
buff.append(pkgpth.substring(base));
}
}
return buff.toString();
} else {
return null;
}
}
/**
* Derive namespace using specified technique.
*
* @param uri base namespace URI (null if none)
* @param pkgpth fully qualified package name
* @param style namespace style code
* @return derived namespace
*/
public static String deriveNamespace(String uri, String pkgpth, int style) {
switch (style) {
case DERIVE_NONE:
return null;
case DERIVE_FIXED:
return uri;
case DERIVE_BY_PACKAGE: {
if (uri == null) {
return packageToNamespace(pkgpth);
} else if (pkgpth == null) {
return uri;
} else {
// append the last package to passed URI
String pack;
int start = pkgpth.lastIndexOf('.');
if (start >= 0) {
pack = pkgpth.substring(start + 1);
} else {
pack = pkgpth;
}
if (uri.endsWith("/")) {
return uri + pack;
} else {
return uri + '/' + pack;
}
}
}
default:
throw new IllegalStateException("Invalid style code");
}
}
/**
* Validate attributes of element. This is designed to be called during unmarshalling as part of the pre-set method
* processing when a subclass instance is being created.
*
* @param ictx unmarshalling context
* @param attrs attributes array
*/
protected void validateAttributes(IUnmarshallingContext ictx, StringArray attrs) {
// setup for attribute access
ValidationContext vctx = (ValidationContext)ictx.getUserContext();
UnmarshallingContext uctx = (UnmarshallingContext)ictx;
// loop through all attributes of current element
for (int i = 0; i < uctx.getAttributeCount(); i++) {
// check if nonamespace attribute is in the allowed set
String name = uctx.getAttributeName(i);
if (uctx.getAttributeNamespace(i).length() == 0) {
if (attrs.indexOf(name) < 0) {
vctx.addWarning("Undefined attribute " + name, this);
}
}
}
}
/**
* Gets the parent element link from the unmarshalling stack. This method is for use by factories during
* unmarshalling.
*
* @param ictx unmarshalling context
* @return containing class
*/
protected static Object getContainingObject(IUnmarshallingContext ictx) {
Object parent = ictx.getStackTop();
if (parent instanceof Collection) {
parent = ictx.getStackObject(1);
}
return parent;
}
}
