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| package org.dom4j.tree; |
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| import java.io.IOException; |
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| import java.io.Writer; |
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| import java.util.HashMap; |
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| import java.util.Iterator; |
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| import java.util.Map; |
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| import java.util.StringTokenizer; |
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| |
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| import org.dom4j.Element; |
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| import org.dom4j.ProcessingInstruction; |
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| import org.dom4j.Visitor; |
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| public abstract class AbstractProcessingInstruction extends AbstractNode implements ProcessingInstruction { |
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| public AbstractProcessingInstruction() {
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| } |
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| public short getNodeType() {
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| return PROCESSING_INSTRUCTION_NODE;
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| } |
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| public String getPath(Element context) {
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| Element parent = getParent();
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| return ( parent != null && parent != context )
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| ? parent.getPath( context ) + "/processing-instruction()" |
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| : "processing-instruction()"; |
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| } |
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| public String getUniquePath(Element context) {
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| Element parent = getParent();
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| return ( parent != null && parent != context )
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| ? parent.getUniquePath( context ) + "/processing-instruction()" |
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| : "processing-instruction()"; |
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| } |
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| |
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| public String toString() {
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| return super.toString() + " [ProcessingInstruction: &" + getName() + ";]";
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| } |
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| public String asXML() {
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| return "<?" + getName() + " " + getText() + "?>";
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| } |
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| public void write(Writer writer) throws IOException {
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| writer.write( "<?" );
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| writer.write( getName() );
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| writer.write( " " );
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| writer.write( getText() );
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| writer.write( "?>" );
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| } |
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| public void accept(Visitor visitor) {
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| visitor.visit(this);
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| } |
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| public void setValue(String name, String value) {
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| throw new UnsupportedOperationException(
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| "This PI is read-only and cannot be modified" |
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| ); |
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| } |
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| public void setValues(Map data) {
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| throw new UnsupportedOperationException(
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| "This PI is read-only and cannot be modified" |
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| ); |
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| } |
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| |
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| public String getName() {
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| return getTarget();
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| } |
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| public void setName(String name) {
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| setTarget(name);
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| } |
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| public boolean removeValue(String name) {
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| return false;
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| } |
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| protected String toString(Map values) {
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| StringBuffer buffer = new StringBuffer();
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| for ( Iterator iter = values.entrySet().iterator(); iter.hasNext(); ) {
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| Map.Entry entry = (Map.Entry) iter.next();
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| String name = (String) entry.getKey();
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| String value = (String) entry.getValue();
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| buffer.append(name);
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| buffer.append("=\"");
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| buffer.append(value);
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| buffer.append("\" ");
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| } |
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| buffer.setLength(buffer.length() - 1);
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| return buffer.toString();
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| } |
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| protected Map parseValues(String text) {
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| Map data = new HashMap();
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| StringTokenizer s = new StringTokenizer(text, " =\'\"", true);
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| while (s.hasMoreTokens()) {
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| String name = getName(s);
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| if (s.hasMoreTokens()) {
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| String value = getValue(s);
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| data.put(name, value);
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| } |
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| } |
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| return data;
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| } |
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| private String getName(StringTokenizer tokenizer) {
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| String token = tokenizer.nextToken();
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| StringBuffer name = new StringBuffer(token);
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| while (tokenizer.hasMoreTokens()) {
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| token = tokenizer.nextToken();
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| if (!token.equals("=")) {
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| name.append(token);
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| } else { |
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| break;
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| } |
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| } |
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| return name.toString().trim();
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| } |
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| private String getValue(StringTokenizer tokenizer) {
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| String token = tokenizer.nextToken();
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| StringBuffer value = new StringBuffer();
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| while (tokenizer.hasMoreTokens() && !token.equals("\'") && !token.equals("\"")) {
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| token = tokenizer.nextToken();
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| } |
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| String quote = token;
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| while (tokenizer.hasMoreTokens()) {
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| token = tokenizer.nextToken();
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| if (!quote.equals(token)) {
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| value.append(token);
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| } else { |
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| break;
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| } |
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| } |
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| return value.toString();
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| } |
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| } |
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