Mercurial > dive4elements > river
changeset 4594:2970046fcdca
Doc.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
---|---|
date | Thu, 29 Nov 2012 11:48:20 +0100 (2012-11-29) |
parents | 047c965ea542 |
children | 0b48085f93aa |
files | flys-artifacts/src/main/java/de/intevation/flys/artifacts/datacage/templating/FunctionResolver.java flys-artifacts/src/main/java/de/intevation/flys/artifacts/datacage/templating/StackFrames.java |
diffstat | 2 files changed, 23 insertions(+), 0 deletions(-) [+] |
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--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/datacage/templating/FunctionResolver.java Fri Nov 30 11:32:29 2012 +0100 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/datacage/templating/FunctionResolver.java Thu Nov 29 11:48:20 2012 +0100 @@ -13,9 +13,12 @@ import org.apache.log4j.Logger; + +/** Resolves functions (e.g. dc:contains) in Datacage/Meta-Data system. */ public class FunctionResolver implements XPathFunctionResolver { + /** Home logger. */ private static Logger log = Logger.getLogger(FunctionResolver.class); public static final String FUNCTION_NAMESPACE_URI = "dc"; @@ -79,12 +82,19 @@ }); } + /** List of functions. */ protected List<Entry> functions; public FunctionResolver() { functions = new ArrayList<Entry>(); } + /** + * Create a new function. + * @param name Name of the function. + * @param arity Number of arguments for function. + * @param function the function itself. + */ public void addFunction(String name, int arity, XPathFunction function) { functions.add(new Entry(name, function, arity)); }
--- a/flys-artifacts/src/main/java/de/intevation/flys/artifacts/datacage/templating/StackFrames.java Fri Nov 30 11:32:29 2012 +0100 +++ b/flys-artifacts/src/main/java/de/intevation/flys/artifacts/datacage/templating/StackFrames.java Thu Nov 29 11:48:20 2012 +0100 @@ -13,11 +13,17 @@ import org.apache.log4j.Logger; + +/** + * Maintains stack of 'frames' which are maps from string to object. + * Used for variables in datacage/meta-data system. + */ public class StackFrames implements XPathVariableResolver { private static Logger log = Logger.getLogger(StackFrames.class); + /** The frames (used like a stack). */ protected List<Map<String, Object>> frames; public StackFrames() { @@ -31,14 +37,17 @@ } } + /** Push a new String->Object map. */ public void enter() { frames.add(new HashMap<String, Object>()); } + /** Pop/Remove last String->Object map. */ public void leave() { frames.remove(frames.size()-1); } + /** Put Key/Value in last String->Object map. */ public void put(String key, Object value) { int N = frames.size(); if (N > 0) { @@ -46,6 +55,7 @@ } } + /** Put multiple Key/Values in last String->Object map. */ public void put(String [] keys, Object [] values) { Map<String, Object> top = frames.get(frames.size()-1); for (int i = 0; i < keys.length; ++i) { @@ -53,6 +63,7 @@ } } + /** Check last frame (string->object map) for key. */ public boolean containsKey(String key) { key = key.toUpperCase(); for (int i = frames.size()-1; i >= 0; --i) { @@ -73,6 +84,8 @@ return get(key, null); } + /** result[0] is modified with value when true returned. + * @return false if key not found in any frame. */ public boolean getStore(String key, Object [] result) { key = key.toUpperCase();