Initial implementation of new skin path resolution schema and
public skins. Some further work needed in both areas.
This commit is contained in:
hns
parent
1a777b5c5a
commit
7041bf08e7
1 changed files with 108 additions and 73 deletions
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@ -83,7 +83,7 @@ public class RequestEvaluator implements Runnable {
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static final int XMLRPC = 2; // via XML-RPC
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static final int INTERNAL = 3; // generic function call, e.g. by scheduler
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INode[] skinmanagers;
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Object[] skinsets;
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/**
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* Build a RenderContext from a RequestTrans. Checks if the path is the user home node ("user")
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@ -154,8 +154,8 @@ public class RequestEvaluator implements Runnable {
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// object refs to ressolve request path
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Object root, currentElement;
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// reset skinManager
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skinmanagers = null;
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// reset skinsets array and skin cache
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skinsets = null;
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skincache.clear ();
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switch (reqtype) {
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@ -209,7 +209,6 @@ public class RequestEvaluator implements Runnable {
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req.data = reqData;
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resData.setData (res.getResponseData());
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res.data = resData;
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res.skinpath = app.getProperty ("skinpath");
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try {
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@ -345,8 +344,14 @@ public class RequestEvaluator implements Runnable {
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try {
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localrtx.timer.beginEvent (requestPath+" execute");
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int actionDot = action.lastIndexOf (".");
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boolean isAction = actionDot == -1;
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// set the req.action property, cutting off the _action suffix
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req.action = action.substring (0, action.length()-7);
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if (isAction)
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req.action = action.substring (0, action.length()-7);
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else
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req.action = action;
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// try calling onRequest() function on object before
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// calling the actual action
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try {
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@ -357,7 +362,16 @@ public class RequestEvaluator implements Runnable {
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// function is not defined or caused an exception, ignore
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}
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// do the actual action invocation
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current.doIndirectCall (evaluator, current, action, new ESValue[0]);
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if (isAction)
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current.doIndirectCall (evaluator, current, action, new ESValue[0]);
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else {
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Skin skin = getSkinInternal (app.appDir, app.getPrototype(currentElement).getName(), action.substring (0, actionDot), action.substring (actionDot+1));
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if (skin != null)
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skin.render (this, current.toJavaObject (), null);
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else
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throw new RuntimeException ("Skin "+action+" not found in "+req.path);
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}
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// check if the script set the name of a skin to render in res.skin
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if (res.skin != null) {
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@ -820,49 +834,38 @@ public class RequestEvaluator implements Runnable {
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Object elem = thisObject.toJavaObject ();
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proto = app.getPrototype (elem);
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}
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return getSkin (proto, skinname);
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return getSkin (proto, skinname, "skin");
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}
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public Skin getSkin (Prototype proto, String skinname) {
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public Skin getSkin (Prototype proto, String skinname, String extension) {
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if (proto == null)
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return null;
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// First check if the skin has been already used within the execution of this request
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SkinKey key = new SkinKey (proto.getName(), skinname);
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SkinKey key = new SkinKey (proto.getName(), skinname, extension);
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Skin skin = (Skin) skincache.get (key);
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if (skin != null) {
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return skin;
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}
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// check for skin path
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if (res.skinpath != null) {
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File f = new File (res.skinpath, proto.getName());
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f = new File (f, skinname+".skin");
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if (f.exists ()) {
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SkinFile sf = new SkinFile (f, skinname, proto);
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skin = sf.getSkin ();
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if (skin != null)
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return skin;
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}
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}
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// check for Helma-internal skinmanager nodes
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if (skinmanagers == null)
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getSkinManagers ();
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// check for skinsets set via res.skinpath property
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if (skinsets == null)
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getSkinSets ();
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do {
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for (int i=0; i<skinmanagers.length; i++) {
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skin = getSkinFromNode (skinmanagers[i], proto.getName (), skinname);
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for (int i=0; i<skinsets.length; i++) {
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skin = getSkinInternal (skinsets[i], proto.getName (), skinname, extension);
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if (skin != null) {
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skincache.put (key, skin);
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return skin;
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}
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}
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// not found in node managers for this prototype.
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// the next step is to look if it is defined as skin file for this prototype
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// skin for this prototype wasn't found in the skinsets.
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// the next step is to look if it is defined as skin file in the application directory
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skin = proto.getSkin (skinname);
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if (skin != null) {
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skincache.put (key, skin);
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return skin;
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}
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// still not found. See if there is a parent prototype which might define the skin
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// still not found. See if there is a parent prototype which might define the skin.
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proto = proto.getParentPrototype ();
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} while (proto != null);
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// looked every where, nothing to be found
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@ -870,53 +873,68 @@ public class RequestEvaluator implements Runnable {
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}
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private Skin getSkinFromNode (INode node, String prototype, String skinname) {
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if (prototype == null)
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private Skin getSkinInternal (Object skinset, String prototype, String skinname, String extension) {
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if (prototype == null || skinset == null)
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return null;
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INode n = node.getNode (prototype, false);
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if (n != null) {
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n = n.getNode (skinname, false);
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// check if the skinset object is a HopObject (db based skin)
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// or a String (file based skin)
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if (skinset instanceof INode) {
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INode n = ((INode) skinset).getNode (prototype, false);
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if (n != null) {
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String skin = n.getString ("skin", false);
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if (skin != null) {
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Skin s = (Skin) app.skincache.get (skin);
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if (s == null) {
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s = new Skin (skin, app);
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app.skincache.put (skin, s);
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n = n.getNode (skinname, false);
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if (n != null) {
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String skin = n.getString (extension, false);
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if (skin != null) {
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Skin s = (Skin) app.skincache.get (skin);
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if (s == null) {
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s = new Skin (skin, app);
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app.skincache.put (skin, s);
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}
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return s;
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}
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return s;
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}
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}
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} else {
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// Skinset is interpreted as directory name from which to
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// retrieve the skin
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File f = new File (skinset.toString (), prototype);
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f = new File (f, skinname+"."+extension);
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if (f.exists() && f.canRead()) {
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SkinFile sf = new SkinFile (f, skinname, app);
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Skin s = sf.getSkin ();
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return s;
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}
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}
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// Inheritance is taken care of in the above getSkin method.
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// the sequence is prototype.skin-from-db, prototype.skin-from-file, parent.from-db, parent.from-file etc.
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return null;
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}
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/**
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* Get an array of skin managers for a request path so it is retrieved ony once per request
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*/
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private void getSkinManagers () {
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Vector v = new Vector ();
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for (int i=reqPath.size()-1; i>=0; i--) try {
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ESNode esn = (ESNode) reqPath.getProperty (i);
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INode n = esn.getNode ();
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DbMapping dbm = n.getDbMapping ();
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if (dbm == null)
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continue;
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String[] skinmgr = dbm.getSkinManagers();
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if (skinmgr == null)
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continue;
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for (int j=0; j<skinmgr.length; j++) {
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INode sm = n.getNode (skinmgr[j], false);
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if (sm != null)
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v.addElement (sm);
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private void getSkinSets () {
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Vector v = new Vector ();
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if (res.skinpath != null && res.skinpath instanceof JSWrapper) {
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try {
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ArrayPrototype sp = (ArrayPrototype) ((JSWrapper) res.skinpath).getESObject ();
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for (int i=0; i<sp.size(); i++) {
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ESValue esv = sp.getProperty (i);
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if (esv instanceof ESNode) {
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// add internal, db-based skinset
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INode n = ((ESNode) esv).getNode ();
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v.addElement (n);
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} else {
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// add external, file based skinset
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v.addElement (esv.toString ());
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}
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}
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} catch (Exception x) {
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app.logEvent ("Error resolving res.skinpath "+res.skinpath+": "+x);
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}
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} catch (Exception ignore) { }
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skinmanagers = new INode[v.size()];
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v.copyInto (skinmanagers);
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}
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skinsets = new Object[v.size()];
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v.copyInto (skinsets);
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}
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/**
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@ -926,12 +944,28 @@ public class RequestEvaluator implements Runnable {
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public String getAction (ESObject obj, String action) {
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if (obj == null)
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return null;
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String act = action == null ? "main_action" : action+"_action";
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try {
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ESValue esv = obj.getProperty (act, act.hashCode());
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if (esv != null && esv instanceof FunctionPrototype)
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return act;
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} catch (EcmaScriptException notfound) {}
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// check if this is a public skin, i.e. something with an extension
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// like "home.html"
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if (action != null && action.indexOf (".") > -1) {
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int dot = action.lastIndexOf (".");
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String extension = action.substring (dot+1);
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String contentType = app.skinExtensions.getProperty (extension);
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if (contentType != null) {
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res.contentType = contentType;
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return action;
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} else
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return null;
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} else {
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String act = action == null ? "main_action" : action+"_action";
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try {
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ESObject proto = obj.getPrototype ();
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if (proto != null) {
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ESValue esv = proto.getProperty (act, act.hashCode());
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if (esv != null && esv instanceof FunctionPrototype)
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return act;
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}
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} catch (EcmaScriptException notfound) {}
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}
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return null;
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}
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@ -1127,24 +1161,25 @@ public class RequestEvaluator implements Runnable {
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*/
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final class SkinKey {
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final String first, second;
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final String first, second, third;
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public SkinKey (String first, String second) {
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public SkinKey (String first, String second, String third) {
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this.first = first;
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this.second = second;
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this.third = third;
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}
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public boolean equals (Object other) {
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try {
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SkinKey key = (SkinKey) other;
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return first.equals (key.first) && second.equals (key.second);
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return first.equals (key.first) && second.equals (key.second) && third.equals (key.third);
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} catch (Exception x) {
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return false;
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}
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}
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public int hashCode () {
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return first.hashCode () + second.hashCode ();
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return first.hashCode () + second.hashCode () + third.hashCode ();
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}
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}
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}
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