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package org.mule.devkit.model.code;
import java.util.HashMap;
import java.util.Map;
/**
* JavaDoc comment.
* <p/>
* <p/>
* A javadoc comment consists of multiple parts. There's the main part (that comes the first in
* in the comment section), then the parameter parts (@param), the return part (@return),
* and the throws parts (@throws).
* <p/>
* TODO: it would be nice if we have JComment class and we can derive this class from there.
*/
public class DocComment extends CommentPart implements Generable {
private static final long serialVersionUID = 1L;
/**
* list of @param tags
*/
private final Map<String, CommentPart> atParams = new HashMap<String, CommentPart>();
/**
* list of xdoclets
*/
private final Map<String, Map<String, String>> atXdoclets = new HashMap<String, Map<String, String>>();
/**
* list of @throws tags
*/
private final Map<TypeReference, CommentPart> atThrows = new HashMap<TypeReference, CommentPart>();
/**
* The @return tag part.
*/
private CommentPart atReturn = null;
/**
* The @deprecated tag
*/
private CommentPart atDeprecated = null;
private final CodeModel owner;
public DocComment(CodeModel owner) {
this.owner = owner;
}
public DocComment append(Object o) {
add(o);
return this;
}
/**
* Append a text to a @param tag to the javadoc
*/
public CommentPart addParam(String param) {
CommentPart p = atParams.get(param);
if (p == null) {
atParams.put(param, p = new CommentPart());
}
return p;
}
/**
* Append a text to an @param tag.
*/
public CommentPart addParam(Variable param) {
return addParam(param.name());
}
/**
* add an @throws tag to the javadoc
*/
public CommentPart addThrows(Class<? extends Throwable> exception) {
return addThrows(owner.ref(exception));
}
/**
* add an @throws tag to the javadoc
*/
public CommentPart addThrows(TypeReference exception) {
CommentPart p = atThrows.get(exception);
if (p == null) {
atThrows.put(exception, p = new CommentPart());
}
return p;
}
/**
* Appends a text to @return tag.
*/
public CommentPart addReturn(String ret) {
if (atReturn == null) {
atReturn = new CommentPart();
}
return atReturn;
}
/**
* add an @deprecated tag to the javadoc, with the associated message.
*/
public CommentPart addDeprecated() {
if (atDeprecated == null) {
atDeprecated = new CommentPart();
}
return atDeprecated;
}
/**
* add an xdoclet.
*/
public Map<String, String> addXdoclet(String name) {
Map<String, String> p = atXdoclets.get(name);
if (p == null) {
atXdoclets.put(name, p = new HashMap<String, String>());
}
return p;
}
/**
* add an xdoclet.
*/
public Map<String, String> addXdoclet(String name, Map<String, String> attributes) {
Map<String, String> p = atXdoclets.get(name);
if (p == null) {
atXdoclets.put(name, p = new HashMap<String, String>());
}
p.putAll(attributes);
return p;
}
/**
* add an xdoclet.
*/
public Map<String, String> addXdoclet(String name, String attribute, String value) {
Map<String, String> p = atXdoclets.get(name);
if (p == null) {
atXdoclets.put(name, p = new HashMap<String, String>());
}
p.put(attribute, value);
return p;
}
public void generate(Formatter f) {
// I realized that we can't use StringTokenizer because
// this will recognize multiple \n as one token.
f.p("/**").nl();
format(f, " * ");
f.p(" * ").nl();
for (Map.Entry<String, CommentPart> e : atParams.entrySet()) {
f.p(" * @param ").p(e.getKey()).nl();
e.getValue().format(f, INDENT);
}
if (atReturn != null) {
f.p(" * @return").nl();
atReturn.format(f, INDENT);
}
for (Map.Entry<TypeReference, CommentPart> e : atThrows.entrySet()) {
f.p(" * @throws ").t(e.getKey()).nl();
e.getValue().format(f, INDENT);
}
if (atDeprecated != null) {
f.p(" * @deprecated").nl();
atDeprecated.format(f, INDENT);
}
for (Map.Entry<String, Map<String, String>> e : atXdoclets.entrySet()) {
f.p(" * @").p(e.getKey());
if (e.getValue() != null) {
for (Map.Entry<String, String> a : e.getValue().entrySet()) {
f.p(" ").p(a.getKey()).p("= \"").p(a.getValue()).p("\"");
}
}
f.nl();
}
f.p(" */").nl();
}
private static final String INDENT = " * ";
}