Java Environment類代碼示例

import freemarker.core.Environment; //導入依賴的package包/類
@Override
@SuppressWarnings("nls")
protected TagRenderer createTagRenderer(HtmlMutableListState state, Environment env, Map<?, ?> params,
	TemplateDirectiveBody body, TemplateModel[] loopVars) throws TemplateModelException
{
	String tag = "div";
	if( params.containsKey("tag") )
	{
		tag = ((SimpleScalar) params.get("tag")).getAsString();
	}

	boolean hideDisabledOptions = false;
	if( params.containsKey("hideDisabledOptions") )
	{
		hideDisabledOptions = ((TemplateBooleanModel) params.get("hideDisabledOptions")).getAsBoolean();
	}

	return new ButtonListTagRenderer(tag, (HtmlListState) state, env, body, loopVars, hideDisabledOptions);
}
 

import freemarker.core.Environment; //導入依賴的package包/類
@SuppressWarnings("nls")
public ButtonListTagRenderer(String tag, HtmlListState state, Environment env, TemplateDirectiveBody body,
	TemplateModel[] loopVars, boolean hideDisabledOptions)
{
	super(tag, state); //$NON-NLS-1$
	this.wrapper = (BeansWrapper) env.getObjectWrapper();
	this.listState = state;
	this.body = body;
	this.loopVars = loopVars;
	this.hideDisabledOptions = hideDisabledOptions;

	this.hiddenId = new AppendedElementId(state, "_hid");
	ScriptVariable valVar = new ScriptVariable("val");
	JSStatements changeBody = new AssignStatement(new ElementValueExpression(hiddenId), valVar);

	JSHandler lsChangeHandler = state.getHandler(JSHandler.EVENT_CHANGE);
	if( lsChangeHandler != null )
	{
		changeBody = StatementBlock.get(changeBody, lsChangeHandler);
	}
	clickFunc = new SimpleFunction(JSHandler.EVENT_CHANGE, state, changeBody, valVar);
}
 

import freemarker.core.Environment; //導入依賴的package包/類
public SectionWriter getSectionWriter()
{
	try
	{
		AdapterTemplateModel model = (AdapterTemplateModel) Environment.getCurrentEnvironment().getGlobalVariable(
			"_info");
		if( model != null )
		{
			return (SectionWriter) model.getAdaptedObject(SectionWriter.class);
		}
		return null;
	}
	catch( TemplateModelException e )
	{
		throw new SectionsRuntimeException(e);
	}
}
 

import freemarker.core.Environment; //導入依賴的package包/類
public SectionWriter getSectionWriter()
{
	try
	{
		return (SectionWriter) ((AdapterTemplateModel) Environment.getCurrentEnvironment().getGlobalVariable(
			"_info")) //$NON-NLS-1$
			.getAdaptedObject(SectionWriter.class);
	}
	catch( TemplateModelException e )
	{
		throw new SectionsRuntimeException(e);
	}
}
 

import freemarker.core.Environment; //導入依賴的package包/類
@Override
public synchronized void execute(Environment env, @SuppressWarnings("rawtypes") Map params,
        TemplateModel[] loopVars, TemplateDirectiveBody body) throws TemplateException, IOException {
    entered++;
    notifyAll();
    final long startTime = System.currentTimeMillis();
    while (!released) {
        // To avoid blocking the CI server forever is something goes wrong:
        if (System.currentTimeMillis() - startTime > BLOCKING_TEST_TIMEOUT) {
            LOG.error("JUnit test timed out");
        }
        try {
            wait(1000);
        } catch (InterruptedException e) {
            LOG.error("JUnit test was interrupted");
        }
    }
    LOG.debug("Blocker released");
}
 

import freemarker.core.Environment; //導入依賴的package包/類
@SuppressWarnings({ "unchecked", "rawtypes" })
public void execute(Environment env, Map params, TemplateModel[] loopVars, TemplateDirectiveBody body) throws TemplateException, IOException {
	Long productCategoryId = FreemarkerUtils.getParameter(PRODUCT_CATEGORY_ID_PARAMETER_NAME, Long.class, params);

	ProductCategory productCategory = productCategoryService.find(productCategoryId);

	List<ProductCategory> productCategories;
	if (productCategoryId != null && productCategory == null) {
		productCategories = new ArrayList<ProductCategory>();
	} else {
		boolean useCache = useCache(env, params);
		String cacheRegion = getCacheRegion(env, params);
		Integer count = getCount(params);
		if (useCache) {
			productCategories = productCategoryService.findParents(productCategory, count, cacheRegion);
		} else {
			productCategories = productCategoryService.findParents(productCategory, count);
		}
	}
	setLocalVariable(VARIABLE_NAME, productCategories, env, body);
}
 

import freemarker.core.Environment; //導入依賴的package包/類
@SuppressWarnings("rawtypes")
@Override
public void execute(Environment env, Map params, TemplateModel[] loopVars, TemplateDirectiveBody body)
    throws TemplateException, IOException {
    try {
        SimpleNumber pFor = (SimpleNumber) params.get("for");

        Number forMillis = null;

        if (pFor != null) {
            forMillis = pFor.getAsNumber();

            try {
                Thread.sleep(forMillis.longValue());
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    } catch (Throwable t) {
        t.printStackTrace();
    }
}
 

import freemarker.core.Environment; //導入依賴的package包/類
@SuppressWarnings("unchecked")
protected Object execPush(List args, boolean setLast) throws TemplateModelException {
    if (args == null || args.size() != 2) {
        throw new TemplateModelException("Invalid number of arguments (expected: 2)");
    }
    TemplateModel nameModel = (TemplateModel) args.get(0);
    if (!(nameModel instanceof TemplateScalarModel)) {
        throw new TemplateModelException("First argument not an instance of TemplateScalarModel (string)");
    }
    TemplateModel valueModel = (TemplateModel) args.get(1);

    Environment env = CommonFtlUtil.getCurrentEnvironment();
    ContextFtlUtil.pushRequestStack(LangFtlUtil.getAsStringNonEscaping(((TemplateScalarModel) nameModel)), valueModel, setLast, env);
    
    return new SimpleScalar("");
}
 

import freemarker.core.Environment; //導入依賴的package包/類
/**
 * Special helper for directives to check what the render mode is going to be when exception is caught.
 * This can be used for alternate output.
 * WARN: this must be maintained carefully so it matches behavior of our modified OFBizTemplateExceptionHandler
 * and methods above.
 */
public static RenderExceptionMode getDirectiveRenderExceptionMode(Environment env, RenderExceptionMode liveExMode) {
    MapStack<String> context = null;
    CmsPageContext pageContext = null;
    try {
        context = CmsRenderUtil.getRenderContextAlways(env);
        pageContext = CmsRenderUtil.getPageContextAlways(context);
    } catch(Throwable t) {
        Debug.logError(t, "Cms: isDirectiveCaughtRenderExceptionMode: internal error: could not fetch all page context info from environment", module);
    }
    boolean isPreview = false;
    if (pageContext != null) {
        isPreview = pageContext.isPreview();
    }
    if (!isPreview && liveExMode != null) return liveExMode;
    return UtilRender.getRenderExceptionMode(pageContext != null ? pageContext.getRequest() : null);
}
 

import freemarker.core.Environment; //導入依賴的package包/類
public static WrappingOptions makeOptions(String wrapper, String mode, Environment env) throws TemplateModelException {
    ObjectWrapper targetWrapper = ObjectWrapperUtil.getObjectWrapperByName(wrapper, env);
    if (targetWrapper == null) {
        throw new TemplateModelException("Unrecognized wrapper name: " + wrapper);
    }
    if (wrapper == null) {
        wrapper = "";
    }
    
    RewrapMode rewrapMode = RewrapMode.ALWAYS_DEEP;
    if (mode != null && !mode.isEmpty()) {
        rewrapMode = RewrapMode.fromString(mode);
        if (rewrapMode == null) {
            throw new TemplateModelException("Unrecognized rewrapping mode: " + mode);
        }
    }
    
    return new WrappingOptions(wrapper, ObjectWrapperUtil.getObjectWrapperByName(wrapper, env), 
            rewrapMode, env.getObjectWrapper());
}
 

import freemarker.core.Environment; //導入依賴的package包/類
static Integer getRequestStackSize(String name, HttpServletRequest request, 
        Map<String, Object> context, Environment env) throws TemplateModelException {
    if (request != null) {
        return getStackSize(getRequestVarMapFromReqAttribs(request), name);
    }
    else {
        Map<String, Object> globalContext = getGlobalContext(context, env);
        if (globalContext != null) {  
            return getStackSize(getRequestVarMapFromGlobalContext(globalContext), name);
        }
        else if (env != null) {
            return getStackSize(getRequestVarMapFromFtlGlobals(env), name);
        }
        else {
            return null;
        }
    }
}
 

import freemarker.core.Environment; //導入依賴的package包/類
@SuppressWarnings({ "unchecked", "rawtypes" })
public void execute(Environment env, Map params, TemplateModel[] loopVars, TemplateDirectiveBody body) throws TemplateException, IOException {
	Long productCategoryId = FreemarkerUtils.getParameter(PRODUCT_CATEGORY_ID_PARAMETER_NAME, Long.class, params);

	ProductCategory productCategory = productCategoryService.find(productCategoryId);

	List<ProductCategory> productCategories;
	if (productCategoryId != null && productCategory == null) {
		productCategories = new ArrayList<ProductCategory>();
	} else {
		boolean useCache = useCache(env, params);
		String cacheRegion = getCacheRegion(env, params);
		Integer count = getCount(params);
		if (useCache) {
			productCategories = productCategoryService.findChildren(productCategory, count, cacheRegion);
		} else {
			productCategories = productCategoryService.findChildren(productCategory, count);
		}
	}
	setLocalVariable(VARIABLE_NAME, productCategories, env, body);
}
 

import freemarker.core.Environment; //導入依賴的package包/類
/**
* Gets BeanModel from FreeMarker context and returns the object that it wraps.
* @param varName the name of the variable in the FreeMarker context.
* @param env the FreeMarker Environment
*/
public static <T> T getWrappedObject(String varName, Environment env) {
    Object obj = null;
    try {
        obj = env.getVariable(varName);
        if (obj != null) {
            if (obj == TemplateModel.NOTHING) {
                obj = null;
            } else if (obj instanceof BeanModel) {
                BeanModel bean = (BeanModel) obj;
                obj = bean.getWrappedObject();
            } else if (obj instanceof SimpleScalar) {
                obj = obj.toString();
            }
        }
    } catch (TemplateModelException e) {
        Debug.logInfo(e.getMessage(), module);
    }
    return UtilGenerics.<T>cast(obj);
}
 

import freemarker.core.Environment; //導入依賴的package包/類
public static Map<String, Object> createEnvironmentMap(Environment env) {
    Map<String, Object> templateRoot = new HashMap<String, Object>();
    Set<String> varNames = null;
    try {
        varNames = UtilGenerics.checkSet(env.getKnownVariableNames());
    } catch (TemplateModelException e1) {
        Debug.logError(e1, "Error getting FreeMarker variable names, will not put pass current context on to sub-content", module);
    }
    if (varNames != null) {
        for (String varName: varNames) {
            //freemarker.ext.beans.StringModel varObj = (freemarker.ext.beans.StringModel) varNameIter.next();
            //Object varObj =  varNameIter.next();
            //String varName = varObj.toString();
            templateRoot.put(varName, FreeMarkerWorker.getWrappedObject(varName, env));
        }
    }
    return templateRoot;
}
 

import freemarker.core.Environment; //導入依賴的package包/類
/**
 * Only prints errors when the configuration-property
 * 'core/dev/print_errors' is set to true.
 */
public void handleTemplateException(TemplateException te, Environment env, Writer out) throws TemplateException {
    try {
        // Make sure that the error message is not swallowed somewhere
        // unnoticed
        // in dev-mode. This way it is clearly visible in the console.
        if (false /* app.isDevPrintErrorMessages() */) {
            // Print stack trace if we are in debug mode.
            te.printStackTrace();
            // Print message to template if we are in debug mode.
            out.write("[ERROR: " + te.getMessage() + "]");
        }
    } catch (IOException e) {
        e.printStackTrace();
        // throw new TemplateException("Failed to print error message.
        // Cause: " + e, env);
    }
}