Examples of freemarker.core.Environment

freemarker.core.Environment
Object that represents the runtime environment during template processing. For every invocation of a Template.process() method, a new instance of this object is created, and then discarded when process() returns. This object stores the set of temporary variables created by the template, the value of settings set by the template, the reference to the data model root, etc. Everything that is needed to fulfill the template processing job.
Data models that need to access the Environment object that represents the template processing on the current thread can use the {@link #getCurrentEnvironment()} method.
If you need to modify or read this object before or after the process call, use {@link Template#createProcessingEnvironment(Object rootMap,Writer out,ObjectWrapper wrapper)} @author Jonathan Revusky @author Attila Szegedi

        return FreeMarkerWorker.getArg(args, key, ctx);
    }


    public Writer getWriter(final Writer out, Map args) {
        final StringBuilder buf = new StringBuilder();
        final Environment env = Environment.getCurrentEnvironment();
        Map envContext = (Map) FreeMarkerWorker.getWrappedObject("context", env);
        final Map templateCtx;
        if (envContext == null) {
            templateCtx = FreeMarkerWorker.createEnvironmentMap(env);
        } else {

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        return FreeMarkerWorker.getArg(args, key, ctx);
    }


    public Writer getWriter(final Writer out, Map args) {
        //final StringBuilder buf = new StringBuilder();
        final Environment env = Environment.getCurrentEnvironment();
        Map ctx = (Map) FreeMarkerWorker.getWrappedObject("context", env);
        if (ctx == null) {
            ctx = FastMap.newInstance();
        }
        final String mapKey = getArg(args, "mapKey", ctx);

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    public static final String module = RenderSubContentAsText.class.getName();
    public static final String [] upSaveKeyNames = {"globalNodeTrail"};
    public static final String [] saveKeyNames = {"contentId", "subContentId", "subDataResourceTypeId", "mimeTypeId", "whenMap", "locale",  "wrapTemplateId", "encloseWrapText", "nullThruDatesOnly", "globalNodeTrail"};


    public Writer getWriter(final Writer out, Map args) {
        final Environment env = Environment.getCurrentEnvironment();
        //final Map templateCtx = (Map) FreeMarkerWorker.getWrappedObject("context", env);
        //final Map templateCtx = FastMap.newInstance();
        final LocalDispatcher dispatcher = (LocalDispatcher) FreeMarkerWorker.getWrappedObject("dispatcher", env);
        final GenericDelegator delegator = (GenericDelegator) FreeMarkerWorker.getWrappedObject("delegator", env);
        final HttpServletRequest request = (HttpServletRequest) FreeMarkerWorker.getWrappedObject("request", env);

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public class RenderContentTransform implements TemplateTransformModel {


    public static final String module = RenderContentTransform.class.getName();


    public Writer getWriter(final Writer out, Map args) {
        final Environment env = Environment.getCurrentEnvironment();
        final GenericDelegator delegator = (GenericDelegator) FreeMarkerWorker.getWrappedObject("delegator", env);
        final LocalDispatcher dispatcher = (LocalDispatcher) FreeMarkerWorker.getWrappedObject("dispatcher", env);
        final HttpServletRequest request = (HttpServletRequest) FreeMarkerWorker.getWrappedObject("request", env);
        final HttpServletResponse response = (HttpServletResponse) FreeMarkerWorker.getWrappedObject("response", env);

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        return FreeMarkerWorker.getArg(args, key, ctx);
    }


    public Writer getWriter(final Writer out, Map args) {
        final StringBuilder buf = new StringBuilder();
        final Environment env = Environment.getCurrentEnvironment();
        //final Map templateRoot = (Map) FreeMarkerWorker.getWrappedObject("context", env);
        final Map templateRoot = FreeMarkerWorker.createEnvironmentMap(env);
        //FreeMarkerWorker.convertContext(templateRoot);
        final Map savedValuesUp = FastMap.newInstance();
        FreeMarkerWorker.saveContextValues(templateRoot, upSaveKeyNames, savedValuesUp);
        final Map savedValues = FastMap.newInstance();
        FreeMarkerWorker.overrideWithArgs(templateRoot, args);
        String startContentAssocTypeId = (String)templateRoot.get( "contentAssocTypeId");
            //if (Debug.infoOn()) Debug.logInfo("in TraverseSubContentCache, startContentAssocTypeId:" + startContentAssocTypeId, module);
        final GenericDelegator delegator = (GenericDelegator) FreeMarkerWorker.getWrappedObject("delegator", env);
        final HttpServletRequest request = (HttpServletRequest) FreeMarkerWorker.getWrappedObject("request", env);
        FreeMarkerWorker.getSiteParameters(request, templateRoot);
        final GenericValue userLogin = (GenericValue) FreeMarkerWorker.getWrappedObject("userLogin", env);
        Object obj = templateRoot.get("globalNodeTrail");
        List globalNodeTrail = (List)obj;
        //List globalNodeTrail = (List)templateRoot.get("globalNodeTrail");
        String csvTrail = ContentWorker.nodeTrailToCsv(globalNodeTrail);
        //if (Debug.infoOn()) Debug.logInfo("in Traverse(0), csvTrail:"+csvTrail,module);
        String strNullThruDatesOnly = (String)templateRoot.get("nullThruDatesOnly");
        String contentAssocPredicateId = (String)templateRoot.get("contentAssocPredicateId");
        Boolean nullThruDatesOnly = (strNullThruDatesOnly != null && strNullThruDatesOnly.equalsIgnoreCase("true")) ? Boolean.TRUE :Boolean.FALSE;
        GenericValue val = null;
        try {
            // getCurrentContent puts the "current" node on the end of globalNodeTrail.
            // It may have already been there, but getCurrentContent will compare its contentId
            // to values in templateRoot.
            val = ContentWorker.getCurrentContent(delegator, globalNodeTrail, userLogin, templateRoot, nullThruDatesOnly, contentAssocPredicateId);
        } catch (GeneralException e) {
            throw new RuntimeException("Error getting current content. " + e.toString());
        }
        final GenericValue view = val;




        final Map traverseContext = FastMap.newInstance();
        traverseContext.put("delegator", delegator);
        Map whenMap = FastMap.newInstance();
        whenMap.put("followWhen", (String)templateRoot.get( "followWhen"));
        whenMap.put("pickWhen", (String)templateRoot.get( "pickWhen"));
        whenMap.put("returnBeforePickWhen", (String)templateRoot.get( "returnBeforePickWhen"));
        whenMap.put("returnAfterPickWhen", (String)templateRoot.get( "returnAfterPickWhen"));
        traverseContext.put("whenMap", whenMap);
        env.setVariable("whenMap", FreeMarkerWorker.autoWrap(whenMap, env));
        String fromDateStr = (String)templateRoot.get( "fromDateStr");
        String thruDateStr = (String)templateRoot.get( "thruDateStr");
        Timestamp fromDate = null;
        if (fromDateStr != null && fromDateStr.length() > 0) {
            fromDate = UtilDateTime.toTimestamp(fromDateStr);
        }
        traverseContext.put("fromDate", fromDate);
        Timestamp thruDate = null;
        if (thruDateStr != null && thruDateStr.length() > 0) {
            thruDate = UtilDateTime.toTimestamp(thruDateStr);
        }
        traverseContext.put("thruDate", thruDate);
        //if (UtilValidate.isEmpty(startContentAssocTypeId)) {
            //throw new RuntimeException("contentAssocTypeId is empty.");
        //}
        traverseContext.put("contentAssocTypeId", startContentAssocTypeId);
        String direction = (String)templateRoot.get( "direction");
        if (UtilValidate.isEmpty(direction)) {
            direction = "From";
        }
        traverseContext.put("direction", direction);




        return new LoopWriter(out) {


            public void write(char cbuf[], int off, int len) {
                //StringBuilder ctxBuf = (StringBuilder) templateContext.get("buf");
                //ctxBuf.append(cbuf, off, len);
                buf.append(cbuf, off, len);
            }


            public void flush() throws IOException {
                out.flush();
            }


            public int onStart() throws TemplateModelException, IOException {
                //templateContext.put("buf", new StringBuilder());
                List nodeTrail = null;
                Map node = null;
                GenericValue subContentDataResourceView = null;
                List globalNodeTrail = (List)templateRoot.get("globalNodeTrail");
                String trailCsv = ContentWorker.nodeTrailToCsv(globalNodeTrail);
                //if (Debug.infoOn()) Debug.logInfo("in TraverseSubContentCache, onStart, trailCsv(1):" + trailCsv , module);
                if (globalNodeTrail.size() > 0) {
                    int sz = globalNodeTrail.size() ;
                    nodeTrail = FastList.newInstance();
                    //nodeTrail = passedGlobalNodeTrail.subList(sz - 1, sz);
                    node = (Map)globalNodeTrail.get(sz - 1);
                    //if (Debug.infoOn()) Debug.logInfo("in TraverseSubContentCache, onStart, node(1):" + node , module);
                    Boolean checkedObj = (Boolean)node.get("checked");
                    Map whenMap = (Map)templateRoot.get("whenMap");
                    //if (Debug.infoOn()) Debug.logInfo("in TraverseSubContentCache, whenMap(2):" + whenMap , module);
                    if (checkedObj == null || !checkedObj.booleanValue()) {
                        ContentWorker.checkConditions(delegator, node, null, whenMap);
                    }
                    subContentDataResourceView = (GenericValue)node.get("value");
                } else {
                    throw new IOException("Empty node trail entries");
                }


                Boolean isReturnBeforePickBool = (Boolean)node.get("isReturnBeforePick");
                if (isReturnBeforePickBool != null && isReturnBeforePickBool.booleanValue())
                    return TransformControl.SKIP_BODY;


                GenericValue content = null;
                ContentWorker.selectKids(node, traverseContext);
                //if (Debug.infoOn()) Debug.logInfo("in TraverseSubContentCache, onStart, node(2):" + node , module);
                nodeTrail.add(node);
                traverseContext.put("nodeTrail", nodeTrail);
                Boolean isPickBool = (Boolean)node.get("isPick");
                Boolean isFollowBool = (Boolean)node.get("isFollow");
                //if (Debug.infoOn()) Debug.logInfo("in TraverseSubContentCache, onStart, isPickBool(1):" + isPickBool + " isFollowBool:" + isFollowBool, module);
                boolean isPick = true;
                if ((isPickBool == null || !isPickBool.booleanValue())
                   && (isFollowBool != null && isFollowBool.booleanValue())) {
                    isPick = ContentWorker.traverseSubContent(traverseContext);
                    //if (Debug.infoOn()) Debug.logInfo("in TraverseSubContentCache, onStart, isPick(2):" + isPick, module);
                }
                if (isPick) {
                    populateContext(traverseContext, templateRoot);
                    FreeMarkerWorker.saveContextValues(templateRoot, saveKeyNames, savedValues);
                    return TransformControl.EVALUATE_BODY;
                } else {
                    return TransformControl.SKIP_BODY;
                }
            }


            public int afterBody() throws TemplateModelException, IOException {




                FreeMarkerWorker.reloadValues(templateRoot, savedValues, env);
                List globalNodeTrail = (List)templateRoot.get("globalNodeTrail");
    //if (Debug.infoOn()) Debug.logInfo("populateContext, globalNodeTrail(2a):" + FreeMarkerWorker.nodeTrailToCsv(globalNodeTrail), "");
                List nodeTrail = (List)traverseContext.get("nodeTrail");
                //List savedGlobalNodeTrail = (List)savedValues.get("globalNodeTrail");
                //templateRoot.put("globalNodeTrail", savedGlobalNodeTrail);
                boolean inProgress = ContentWorker.traverseSubContent(traverseContext);
                int sz = nodeTrail.size();
                if (inProgress) {
                    populateContext(traverseContext, templateRoot);
                    FreeMarkerWorker.saveContextValues(templateRoot, saveKeyNames, savedValues);
                    //globalNodeTrail = (List)templateRoot.get("globalNodeTrail");
                    //globalNodeTrail.addAll(nodeTrail);
                    return TransformControl.REPEAT_EVALUATION;
                } else
                    return TransformControl.END_EVALUATION;
            }


            public void close() throws IOException {


                FreeMarkerWorker.reloadValues(templateRoot, savedValuesUp, env);
                String wrappedContent = buf.toString();
                out.write(wrappedContent);
                //if (Debug.infoOn()) Debug.logInfo("in TraverseSubContent, wrappedContent:" + wrappedContent, module);
            }




            public void populateContext(Map traverseContext, Map templateContext) {


                List nodeTrail = (List)traverseContext.get("nodeTrail");
    //if (Debug.infoOn()) Debug.logInfo("populateContext, nodeTrail csv(a):" + FreeMarkerWorker.nodeTrailToCsv((List)nodeTrail), "");
                int sz = nodeTrail.size();
                Map node = (Map)nodeTrail.get(sz - 1);
                GenericValue content = (GenericValue)node.get("value");
                String contentId = (String)node.get("contentId");
                String subContentId = (String)node.get("subContentId");
                String contentAssocTypeId = (String)node.get("contentAssocTypeId");
                envWrap("contentAssocTypeId", contentAssocTypeId);
                envWrap("contentId", contentId);
                envWrap("content", content);
                String mapKey = (String)node.get("mapKey");
                envWrap("mapKey", mapKey);
                envWrap("subContentDataResourceView", null);
                List globalNodeTrail = (List)templateContext.get("globalNodeTrail");
                String contentIdEnd = null;
                String contentIdStart = null;
                if (globalNodeTrail != null) {
                    Map ndEnd = (Map)globalNodeTrail.get(globalNodeTrail.size() - 1);
                    contentIdEnd = (String)ndEnd.get("contentId");
                    Map ndStart = (Map)nodeTrail.get(0);
                    contentIdStart = (String)ndStart.get("contentId");
                } else {
                    globalNodeTrail = FastList.newInstance();
                }
                //if (Debug.infoOn()) Debug.logInfo("in TraverseSubContentCache, populateContext, contentIdEnd(1):" + contentIdEnd + " contentIdStart:" + contentIdStart + " equals:" + (contentIdStart.equals(contentIdEnd)), module);
                boolean bIdEnd = UtilValidate.isNotEmpty(contentIdEnd);
                boolean bIdStart = UtilValidate.isNotEmpty(contentIdStart);
                boolean bEquals = contentIdStart.equals(contentIdEnd);
                //if (Debug.infoOn()) Debug.logInfo("in TraverseSubContentCache, populateContext, contentIdEnd(1):" + bIdEnd + " contentIdStart:" + bIdStart + " equals:" + bEquals, module);
    //if (Debug.infoOn()) Debug.logInfo("populateContext, globalNodeTrail(1a):" + FreeMarkerWorker.nodeTrailToCsv(globalNodeTrail), "");
                if (bIdEnd && bIdStart && bEquals) {
                    List subList = nodeTrail.subList(1, sz);
                    globalNodeTrail.addAll(subList);
                } else {
                    globalNodeTrail.addAll(nodeTrail);
                }
    //if (Debug.infoOn()) Debug.logInfo("populateContext, globalNodeTrail(1b):" + FreeMarkerWorker.nodeTrailToCsv(globalNodeTrail), "");
                int indentSz = globalNodeTrail.size();
                envWrap("indent", Integer.valueOf(indentSz));
                String trailCsv = ContentWorker.nodeTrailToCsv(globalNodeTrail);
                //if (Debug.infoOn()) Debug.logInfo("in TraverseSubContentCache, populateCtx, trailCsv(2):" + trailCsv , module);
                envWrap("nodeTrailCsv", trailCsv);
                envWrap("globalNodeTrail", globalNodeTrail);
            }


            public void envWrap(String varName, Object obj) {


                templateRoot.put(varName, obj);
                env.setVariable(varName, FreeMarkerWorker.autoWrap(obj, env));
            }


        };
    }

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    }




    public Writer getWriter(final Writer out, Map args) {
        final StringBuilder buf = new StringBuilder();
        final Environment env = Environment.getCurrentEnvironment();
        final Map templateCtx = (Map) FreeMarkerWorker.getWrappedObject("context", env);
        //FreeMarkerWorker.convertContext(templateCtx);
        final GenericDelegator delegator = (GenericDelegator) FreeMarkerWorker.getWrappedObject("delegator", env);
        final HttpServletRequest request = (HttpServletRequest) FreeMarkerWorker.getWrappedObject("request", env);
        final GenericValue userLogin = (GenericValue) FreeMarkerWorker.getWrappedObject("userLogin", env);

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        return FreeMarkerWorker.getArg(args, key, ctx);
    }


    public Writer getWriter(final Writer out, Map args) {
        final StringBuilder buf = new StringBuilder();
        final Environment env = Environment.getCurrentEnvironment();
        final Map templateCtx = (Map) FreeMarkerWorker.getWrappedObject("context", env);
        final LocalDispatcher dispatcher = (LocalDispatcher) FreeMarkerWorker.getWrappedObject("dispatcher", env);
        final GenericDelegator delegator = (GenericDelegator) FreeMarkerWorker.getWrappedObject("delegator", env);
        final HttpServletRequest request = (HttpServletRequest) FreeMarkerWorker.getWrappedObject("request", env);
        FreeMarkerWorker.getSiteParameters(request, templateCtx);

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        // use it to process the template with the user's settings.
        //
        // FIXME: the casting from Appendable to Writer is a temporary fix that could cause a
        //        run time error if in the future we will pass a different class to the method
        //        (such as a StringBuffer).
        Environment env = template.createProcessingEnvironment(context, (Writer) outWriter);
        applyUserSettings(env, context);
        env.process();
        return env;
    }

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    }


    public Writer getWriter(final Writer out, Map args) {
        Map<String, Object> checkedArgs = UtilGenerics.checkMap(args);
        final StringBuffer buf = new StringBuffer();
        final Environment env = Environment.getCurrentEnvironment();
        final Map<String, Object> templateCtx = UtilGenerics.checkMap(FreeMarkerWorker.getWrappedObject("context", env));
        final GenericDelegator delegator = (GenericDelegator) FreeMarkerWorker.getWrappedObject("delegator", env);
        final HttpServletRequest request = (HttpServletRequest) FreeMarkerWorker.getWrappedObject("request", env);
        final HttpServletResponse response = (HttpServletResponse) FreeMarkerWorker.getWrappedObject("response", env);
        final HttpSession session = (HttpSession) FreeMarkerWorker.getWrappedObject("session", env);

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        if (!(args.get(0) instanceof TemplateScalarModel))
            throw new TemplateModelException("First argument not an instance of TemplateScalarModel");
        if (!(args.get(1) instanceof BeanModel) && !(args.get(1) instanceof TemplateNumberModel) && !(args.get(1) instanceof TemplateScalarModel))
            throw new TemplateModelException("Second argument not an instance of BeanModel nor TemplateNumberModel nor TemplateScalarModel");


        Environment env = Environment.getCurrentEnvironment();
        BeanModel req = (BeanModel)env.getVariable("request");
        HttpServletRequest request = (HttpServletRequest) req.getWrappedObject();


        String name = ((TemplateScalarModel) args.get(0)).getAsString();
        Object value = null;
        if (args.get(1) instanceof TemplateScalarModel)

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