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/*
* Copyright 2000-2009 JetBrains s.r.o.
*
* 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 com.intellij.uiDesigner;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.uiDesigner.lw.ColorDescriptor;
import com.intellij.uiDesigner.lw.FontDescriptor;
import com.intellij.uiDesigner.lw.StringDescriptor;
import com.intellij.xml.util.XmlStringUtil;
import org.jdom.Attribute;
import org.jdom.Element;
import org.jetbrains.annotations.NonNls;
import java.awt.*;
import java.util.Stack;
/**
* This is utility for serialization of component hierarchy.
*
* @author Anton Katilin
* @author Vladimir Kondratyev
*/
public final class XmlWriter{
private static final int INDENT = 2;
private final Stack<String> myElementNames;
private final Stack<Boolean> myElementHasBody;
@NonNls private final StringBuffer myBuffer;
public XmlWriter(){
myElementNames = new Stack<String>();
myElementHasBody = new Stack<Boolean>();
myBuffer = new StringBuffer();
myBuffer.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
}
public String getText(){
return myBuffer.toString();
}
public void writeDimension(final Dimension dimension, @NonNls final String elementName) {
if (dimension.width == -1 && dimension.height == -1) {
return;
}
startElement(elementName);
try {
addAttribute("width", dimension.width);
addAttribute("height", dimension.height);
}
finally {
endElement();
}
}
public void startElement(@NonNls final String elementName){
startElement(elementName, null);
}
public void startElement(@NonNls final String elementName, final String namespace){
if (myElementNames.size() > 0) {
if(!myElementHasBody.peek().booleanValue()){
myBuffer.append(">\n");
}
myElementHasBody.set(myElementHasBody.size()-1,Boolean.TRUE);
}
writeSpaces(myElementNames.size()*INDENT);
myBuffer.append("<").append(elementName);
if (namespace != null) {
myBuffer.append(" xmlns=\"").append(namespace).append('"');
}
myElementNames.push(elementName);
myElementHasBody.push(Boolean.FALSE);
}
public void endElement() {
final String elementName = myElementNames.peek();
final boolean hasBody = myElementHasBody.peek().booleanValue();
myElementNames.pop();
myElementHasBody.pop();
if (hasBody) {
writeSpaces(myElementNames.size()*INDENT);
myBuffer.append("</").append(elementName).append(">\n");
} else {
myBuffer.append("/>\n");
}
}
/**
* Helper method
*/
private void addAttributeImpl(final String name,final String value){
myBuffer.append(' ').append(name).append("=\"").append(value).append('"');
}
/**
* Helper method
*/
public void addAttribute(@NonNls final String name, final String value){
addAttributeImpl(name, StringUtil.convertLineSeparators(XmlStringUtil.escapeString(value, true, false)));
}
/**
* Helper method
*/
public void addAttribute(@NonNls final String name, final int value){
addAttributeImpl(name, Integer.toString(value));
}
/**
* Helper method
*/
public void addAttribute(@NonNls final String name, final boolean value){
addAttributeImpl(name, Boolean.toString(value));
}
public void addAttribute(@NonNls final String name, final Double value){
addAttributeImpl(name, Double.toString(value));
}
public void writeElement(final Element element){
startElement(element.getName());
try {
for (final Object o1 : element.getAttributes()) {
final Attribute attribute = (Attribute)o1;
addAttribute(attribute.getName(), attribute.getValue());
}
for (final Object o : element.getChildren()) {
final Element child = (Element)o;
writeElement(child);
}
}
finally {
endElement();
}
}
/**
* Helper method
*/
private void writeSpaces(final int count){
for (int i=0; i < count; i++) {
myBuffer.append(' ');
}
}
public void writeStringDescriptor(final StringDescriptor descriptor,
final String valueAttr,
final String bundleAttr,
final String keyAttr) {
if(descriptor.getValue() != null){ // direct value
addAttribute(valueAttr, descriptor.getValue());
if (descriptor.isNoI18n()) {
addAttribute(UIFormXmlConstants.ATTRIBUTE_NOI18N, Boolean.TRUE.toString());
}
}
else{ // via resource bundle
addAttribute(bundleAttr, descriptor.getBundleName());
addAttribute(keyAttr, descriptor.getKey());
}
}
public void writeColorDescriptor(final ColorDescriptor value) {
Color color = value.getColor();
if (color != null) {
addAttribute(UIFormXmlConstants.ATTRIBUTE_COLOR, color.getRGB());
}
else if (value.getSwingColor() != null) {
addAttribute(UIFormXmlConstants.ATTRIBUTE_SWING_COLOR, value.getSwingColor());
}
else if (value.getSystemColor() != null) {
addAttribute(UIFormXmlConstants.ATTRIBUTE_SYSTEM_COLOR, value.getSystemColor());
}
else if (value.getAWTColor() != null) {
addAttribute(UIFormXmlConstants.ATTRIBUTE_AWT_COLOR, value.getAWTColor());
}
}
public void writeFontDescriptor(final FontDescriptor value) {
if (value.getSwingFont() != null) {
addAttribute(UIFormXmlConstants.ATTRIBUTE_SWING_FONT, value.getSwingFont());
}
else {
if (value.getFontName() != null) {
addAttribute(UIFormXmlConstants.ATTRIBUTE_NAME, value.getFontName());
}
if (value.getFontSize() >= 0) {
addAttribute(UIFormXmlConstants.ATTRIBUTE_SIZE, value.getFontSize());
}
if (value.getFontStyle() >= 0) {
addAttribute(UIFormXmlConstants.ATTRIBUTE_STYLE, value.getFontStyle());
}
}
}
public void writeInsets(final Insets value) {
addAttribute(UIFormXmlConstants.ATTRIBUTE_TOP, value.top);
addAttribute(UIFormXmlConstants.ATTRIBUTE_LEFT, value.left);
addAttribute(UIFormXmlConstants.ATTRIBUTE_BOTTOM, value.bottom);
addAttribute(UIFormXmlConstants.ATTRIBUTE_RIGHT, value.right);
}
}
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