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aQute.junit.Tag Maven / Gradle / Ivy
A bnd tester. If this bundle is used as the tester (previously aQute.junit) then it will add itself to the -runbundles at the end. At startup, this bundle will then run the tests. This bundle does NOT contain JUnit itself. It will import JUnit just like any other bundle.
package aQute.junit;
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.net.URL;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Dictionary;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Vector;
/**
* The Tag class represents a minimal XML tree. It consist of a named element
* with a hashtable of named attributes. Methods are provided to walk the tree
* and get its constituents. The content of a Tag is a list that contains String
* objects or other Tag objects.
*/
public class Tag {
Tag parent; // Parent
// element
String name; // Name
// of
// the
// tag
Hashtable attributes = new Hashtable(); // Attributes
// name
// ->
// value
Vector content = new Vector(); // Content
// elements
boolean cdata;
final static SimpleDateFormat format = new SimpleDateFormat("yyyyMMddHHmmss.SSS");
/**
* Construct a new Tag with a name.
*/
public Tag(String name) {
this.name = name;
}
/**
* Construct a new Tag with a name.
*/
public Tag(String name, Hashtable attributes) {
this.name = name;
this.attributes = attributes;
}
/**
* Construct a new Tag with a name and a set of attributes. The attributes
* are given as ( name, value ) ...
*/
public Tag(String name, String[] attributes) {
this.name = name;
for (int i = 0; i < attributes.length; i += 2)
addAttribute(attributes[i], attributes[i + 1]);
}
/**
* Construct a new Tag with a single string as content.
*/
public Tag(String name, String content) {
this.name = name;
addContent(content);
}
public Tag(Tag testsuite, String name) {
this(name);
testsuite.addContent(this);
}
/**
* Add a new attribute.
*/
public void addAttribute(String key, String value) {
attributes.put(key, value);
}
/**
* Add a new attribute.
*/
public void addAttribute(String key, Object value) {
if (value == null)
return;
attributes.put(key, value.toString());
}
/**
* Add a new attribute.
*/
public void addAttribute(String key, int value) {
attributes.put(key, Integer.toString(value));
}
/**
* Add a new date attribute. The date is formatted as the SimpleDateFormat
* describes at the top of this class.
*/
public void addAttribute(String key, Date value) {
synchronized (format) {
attributes.put(key, format.format(value));
}
}
/**
* Add a new content string.
*/
public void addContent(String string) {
content.addElement(string);
}
/**
* Add a new content tag.
*/
public void addContent(Tag tag) {
content.addElement(tag);
tag.parent = this;
}
/**
* Return the name of the tag.
*/
public String getName() {
return name;
}
/**
* Return the attribute value.
*/
public String getAttribute(String key) {
return attributes.get(key);
}
/**
* Return the attribute value or a default if not defined.
*/
public String getAttribute(String key, String deflt) {
String answer = getAttribute(key);
return answer == null ? deflt : answer;
}
/**
* Answer the attributes as a Dictionary object.
*/
public Dictionary getAttributes() {
return attributes;
}
/**
* Return the contents.
*/
public Vector getContents() {
return content;
}
/**
* Return a string representation of this Tag and all its children
* recursively.
*/
@Override
public String toString() {
StringWriter sw = new StringWriter();
print(0, new PrintWriter(sw));
return sw.toString();
}
/**
* Return only the tags of the first level of descendants that match the
* name.
*/
public Vector getContents(String tag) {
Vector out = new Vector();
for (Enumeration e = content.elements(); e.hasMoreElements();) {
Object o = e.nextElement();
if (o instanceof Tag && ((Tag) o).getName().equals(tag))
out.addElement(o);
}
return out;
}
/**
* Return the whole contents as a String (no tag info and attributes).
*/
public String getContentsAsString() {
StringBuffer sb = new StringBuffer();
getContentsAsString(sb);
return sb.toString();
}
/**
* convenient method to get the contents in a StringBuffer.
*/
public void getContentsAsString(StringBuffer sb) {
for (Enumeration e = content.elements(); e.hasMoreElements();) {
Object o = e.nextElement();
if (o instanceof Tag)
((Tag) o).getContentsAsString(sb);
else
sb.append(o.toString());
}
}
/**
* Print the tag formatted to a PrintWriter.
*/
public void print(int indent, PrintWriter pw) {
pw.print("\n");
spaces(pw, indent);
pw.print('<');
pw.print(name);
for (Enumeration e = attributes.keys(); e.hasMoreElements();) {
String key = e.nextElement();
String value = escape(attributes.get(key));
pw.print(' ');
pw.print(key);
pw.print("=");
String quote = "'";
if (value.indexOf(quote) >= 0)
quote = "\"";
pw.print(quote);
pw.print(value);
pw.print(quote);
}
if (content.size() == 0)
pw.print('/');
else {
pw.print('>');
for (Enumeration e = content.elements(); e.hasMoreElements();) {
Object content = e.nextElement();
if (content instanceof String) {
if (cdata) {
pw.print("
// specifier, so clean it up
int l = sb.indexOf("]]>");
while (l >= 0) {
sb.insert(l + 2, '\\');
l = sb.indexOf("]]>", l + 2);
}
pw.print(sb);
pw.print("]]>");
} else
formatted(pw, indent + 2, 60, escape((String) content));
} else if (content instanceof Tag) {
Tag tag = (Tag) content;
tag.print(indent + 2, pw);
} else if (content instanceof URL) {
copyURL(pw, (URL) content);
}
}
pw.print("\n");
spaces(pw, indent);
pw.print("');
}
private void copyURL(PrintWriter pw, URL url) {
try {
InputStream in = null;
BufferedReader rdr = null;
try {
in = url.openStream();
rdr = new BufferedReader(new InputStreamReader(in, "UTF8"));
String line = rdr.readLine();
if (line != null) {
while (line != null && line.trim().startsWith(" width - 3)) {
pw.print("\n");
spaces(pw, left);
pos = 0;
}
switch (c) {
case '<' :
pw.print("<");
pos += 4;
break;
case '>' :
pw.print(">");
pos += 4;
break;
case '&' :
pw.print("&");
pos += 5;
break;
default :
pw.print(c);
pos++;
break;
}
}
}
/**
* Escape a string, do entity conversion.
*/
String escape(String s) {
StringBuffer sb = new StringBuffer();
for (int i = 0; i < s.length(); i++) {
char c = s.charAt(i);
switch (c) {
case '<' :
sb.append("<");
break;
case '>' :
sb.append(">");
break;
case '&' :
sb.append("&");
break;
default :
sb.append(c);
break;
}
}
return sb.toString();
}
/**
* Make spaces.
*/
void spaces(PrintWriter pw, int n) {
while (n-- > 0)
pw.print(' ');
}
/**
* root/preferences/native/os
*/
public Tag[] select(String path) {
return select(path, (Tag) null);
}
public Tag[] select(String path, Tag mapping) {
Vector v = new Vector();
select(path, v, mapping);
Tag[] result = new Tag[v.size()];
v.copyInto(result);
return result;
}
void select(String path, Vector results, Tag mapping) {
if (path.startsWith("//")) {
int i = path.indexOf('/', 2);
String name = path.substring(2, i < 0 ? path.length() : i);
for (Enumeration e = content.elements(); e.hasMoreElements();) {
Object o = e.nextElement();
if (o instanceof Tag) {
Tag child = (Tag) o;
if (match(name, child, mapping))
results.add(child);
child.select(path, results, mapping);
}
}
return;
}
if (path.length() == 0) {
results.addElement(this);
return;
}
int i = path.indexOf("/");
String elementName = path;
String remainder = "";
if (i > 0) {
elementName = path.substring(0, i);
remainder = path.substring(i + 1);
}
for (Enumeration e = content.elements(); e.hasMoreElements();) {
Object o = e.nextElement();
if (o instanceof Tag) {
Tag child = (Tag) o;
if (child.getName().equals(elementName) || elementName.equals("*"))
child.select(remainder, results, mapping);
}
}
}
public boolean match(String search, Tag child, Tag mapping) {
String target = child.getName();
String sn = null;
String tn = null;
if (search.equals("*"))
return true;
int s = search.indexOf(':');
if (s > 0) {
sn = search.substring(0, s);
search = search.substring(s + 1);
}
int t = target.indexOf(':');
if (t > 0) {
tn = target.substring(0, t);
target = target.substring(t + 1);
}
if (!search.equals(target)) // different tag names
return false;
if (mapping == null) {
return tn == sn || (sn != null && sn.equals(tn));
}
String suri = sn == null ? mapping.getAttribute("xmlns") : mapping.getAttribute("xmlns:" + sn);
String turi = tn == null ? child.findRecursiveAttribute("xmlns") : child.findRecursiveAttribute("xmlns:" + tn);
return ((turi == null) && (suri == null)) || ((turi != null) && turi.equals(suri));
}
public String getString(String path) {
String attribute = null;
int index = path.indexOf("@");
if (index >= 0) {
// attribute
attribute = path.substring(index + 1);
if (index > 0) {
// prefix path
path = path.substring(index - 1); // skip -1
} else
path = "";
}
Tag tags[] = select(path);
StringBuffer sb = new StringBuffer();
for (int i = 0; i < tags.length; i++) {
if (attribute == null)
tags[i].getContentsAsString(sb);
else
sb.append(tags[i].getAttribute(attribute));
}
return sb.toString();
}
public String getStringContent() {
StringBuffer sb = new StringBuffer();
for (Enumeration e = content.elements(); e.hasMoreElements();) {
Object c = e.nextElement();
if (!(c instanceof Tag))
sb.append(c);
}
return sb.toString();
}
public String getNameSpace() {
return getNameSpace(name);
}
public String getNameSpace(String name) {
int index = name.indexOf(':');
if (index > 0) {
String ns = name.substring(0, index);
return findRecursiveAttribute("xmlns:" + ns);
}
return findRecursiveAttribute("xmlns");
}
public String findRecursiveAttribute(String name) {
String value = getAttribute(name);
if (value != null)
return value;
if (parent != null)
return parent.findRecursiveAttribute(name);
return null;
}
public String getLocalName() {
int index = name.indexOf(':');
if (index <= 0)
return name;
return name.substring(index + 1);
}
public void rename(String string) {
name = string;
}
public void addContent(URL url) {
content.add(url);
}
public void setCDATA() {
cdata = true;
}
}
