static ExpressionRegion findExpressionRegion(Node current, ITextViewer viewer, int offset) {
if (current != null && current instanceof Text) {
Text node = (Text) current;
String value = node.getNodeValue();
if (value != null) {
assert node instanceof IndexedRegion;
IndexedRegion reg = (IndexedRegion) node;
int index = offset - reg.getStartOffset();
String before = value.substring(0, Math.min(index + 1, value.length()));
String after = value.substring(Math.min(index + 1, value.length()));
int start = before.lastIndexOf("${"); // $NON-NLS-1$
if (before.lastIndexOf("}") > start) { // $NON-NLS-1$
// we might be in between two expressions..
start = -1;
}
int end = after.indexOf("}"); // $NON-NLS-1$
if (after.indexOf("${") != -1 && after.indexOf("${") < end) { // $NON-NLS-1$
// we might be in between two expressions..
end = -1;
}
if (start > -1 && end > -1) {
final int startOffset = reg.getStartOffset() + start;
final String expr = before.substring(start) + after.substring(0, end + 1);
final int length = expr.length();
final String prop = before.substring(start + 2) + after.substring(0, end);
// there are often properties that start with project. eg. project.build.sourceEncoding
// if (prop.startsWith("project.") || prop.startsWith("pom.")) { //$NON-NLS-1$
// //$NON-NLS-2$
// return null; //ignore these, not in properties section.
// }
MavenProject prj = XmlUtils.extractMavenProject(viewer);
if (prj != null) {
return new ExpressionRegion(startOffset, length, prop, prj);
}
}
}
}
return null;
}
private IHyperlink openPOMbyID(Node current, final ITextViewer viewer, int offset) {
while (current != null && !(current instanceof Element)) {
current = current.getParentNode();
}
if (current == null) {
return null;
}
current = current.getParentNode();
if (current == null || !(current instanceof Element)) {
return null;
}
Element parent = (Element) current;
String parentName = parent.getNodeName();
if (DEPENDENCY.equals(parentName)
|| PARENT.equals(parentName)
|| PLUGIN.equals(parentName)
|| "reportPlugin".equals(parentName)
|| EXTENSION.equals(parentName)) {
final Node groupId = XmlUtils.findChild(parent, GROUP_ID);
final Node artifactId = XmlUtils.findChild(parent, ARTIFACT_ID);
final Node version = XmlUtils.findChild(parent, VERSION);
final MavenProject prj = XmlUtils.extractMavenProject(viewer);
IHyperlink pomHyperlink =
new IHyperlink() {
public IRegion getHyperlinkRegion() {
// the goal here is to have the groupid/artifactid/version combo underscored by the
// link.
// that will prevent underscoring big portions (like plugin config) underscored and
// will also handle cases like dependencies within plugins.
int max =
groupId != null ? ((IndexedRegion) groupId).getEndOffset() : Integer.MIN_VALUE;
int min =
groupId != null ? ((IndexedRegion) groupId).getStartOffset() : Integer.MAX_VALUE;
max =
Math.max(
max,
artifactId != null
? ((IndexedRegion) artifactId).getEndOffset()
: Integer.MIN_VALUE);
min =
Math.min(
min,
artifactId != null
? ((IndexedRegion) artifactId).getStartOffset()
: Integer.MAX_VALUE);
max =
Math.max(
max,
version != null
? ((IndexedRegion) version).getEndOffset()
: Integer.MIN_VALUE);
min =
Math.min(
min,
version != null
? ((IndexedRegion) version).getStartOffset()
: Integer.MAX_VALUE);
return new Region(min, max - min);
}
public String getHyperlinkText() {
return NLS.bind(
Messages.PomHyperlinkDetector_hyperlink_pattern,
XmlUtils.getTextValue(groupId),
XmlUtils.getTextValue(artifactId));
}
public String getTypeLabel() {
return "pom"; //$NON-NLS-1$
}
public void open() {
new Job(Messages.PomHyperlinkDetector_job_name) {
protected IStatus run(IProgressMonitor monitor) {
// TODO resolve groupId if groupId==null
String gridString =
groupId == null
? "org.apache.maven.plugins"
: XmlUtils.getTextValue(groupId); // $NON-NLS-1$
String artidString =
artifactId == null ? null : XmlUtils.getTextValue(artifactId);
String versionString = version == null ? null : XmlUtils.getTextValue(version);
if (prj != null
&& gridString != null
&& artidString != null
&& (versionString == null || versionString.contains("${"))) { // $NON-NLS-1$
try {
// TODO how do we decide here if the hyperlink is a dependency or a plugin
// hyperlink??
versionString =
PomTemplateContext.extractVersion(
prj,
null,
versionString,
gridString,
artidString,
PomTemplateContext.EXTRACT_STRATEGY_DEPENDENCY);
} catch (CoreException e) {
versionString = null;
}
}
if (versionString == null) {
return Status.OK_STATUS;
}
OpenPomAction.openEditor(gridString, artidString, versionString, monitor);
// TODO: it's preferable to open the xml page, but this code will blink and open
// overview first and later switch. looks bad
// Display.getDefault().syncExec(new Runnable() {
// public void run() {
// selectEditorPage(page);
// }
// });
return Status.OK_STATUS;
}
}.schedule();
}
};
return pomHyperlink;
}
return null;
}
static ManagedArtifactRegion findManagedArtifactRegion(
Node current, ITextViewer textViewer, int offset) {
while (current != null && !(current instanceof Element)) {
current = current.getParentNode();
}
if (current != null) {
Node artNode = null;
Node groupNode = null;
if (ARTIFACT_ID.equals(current.getNodeName())) { // $NON-NLS-1$
artNode = current;
}
if (GROUP_ID.equals(current.getNodeName())) { // $NON-NLS-1$
groupNode = current;
}
// only on artifactid and groupid elements..
if (artNode == null && groupNode == null) {
return null;
}
Node root = current.getParentNode();
boolean isDependency = false;
boolean isPlugin = false;
if (root != null) {
String name = root.getNodeName();
if (DEPENDENCY.equals(name)) { // $NON-NLS-1$
isDependency = true;
}
if (PLUGIN.equals(name)) { // $NON-NLS-1$
isPlugin = true;
}
} else {
return null;
}
if (!isDependency && !isPlugin) {
// some kind of other identifier
return null;
}
// now see if version is missing
NodeList childs = root.getChildNodes();
for (int i = 0; i < childs.getLength(); i++) {
Node child = childs.item(i);
if (child instanceof Element) {
Element el = (Element) child;
if (VERSION.equals(el.getNodeName())) { // $NON-NLS-1$
return null;
}
if (artNode == null && ARTIFACT_ID.equals(el.getNodeName())) { // $NON-NLS-1$
artNode = el;
}
if (groupNode == null && GROUP_ID.equals(el.getNodeName())) { // $NON-NLS-1$
groupNode = el;
}
}
}
if (groupNode != null && artNode != null) {
assert groupNode instanceof IndexedRegion;
assert artNode instanceof IndexedRegion;
IndexedRegion groupReg = (IndexedRegion) groupNode;
IndexedRegion artReg = (IndexedRegion) artNode;
int startOffset = Math.min(groupReg.getStartOffset(), artReg.getStartOffset());
int length = Math.max(groupReg.getEndOffset(), artReg.getEndOffset()) - startOffset;
String groupId = XmlUtils.getTextValue(groupNode);
String artifactId = XmlUtils.getTextValue(artNode);
final MavenProject prj = XmlUtils.extractMavenProject(textViewer);
if (prj != null) {
// now we can create the region I guess,
return new ManagedArtifactRegion(
startOffset, length, groupId, artifactId, isDependency, isPlugin, prj);
}
}
}
return null;
}