Examples of freemarker.template.Template

freemarker.template.Template
A core FreeMarker API that represents a compiled template. Typically, you will use a {@link Configuration} object to instantiate a template.
```
 Configuration cfg = new Configuration(); ... Template myTemplate = cfg.getTemplate("myTemplate.html"); 
```
However, you can also construct a template directly by passing in to the appropriate constructor a java.io.Reader instance that is set to read the raw template text. The compiled template is stored in an an efficient data structure for later use.
To render the template, i.e. to merge it with a data model, and thus produce "cooked" output, call the process method.
Any error messages from exceptions thrown during compilation will be included in the output stream and thrown back to the calling code. To change this behavior, you can install custom exception handlers using {@link Configurable#setTemplateExceptionHandler(TemplateExceptionHandler)} ona Configuration object (for all templates belonging to a configuration) or on a Template object (for a single template).
It's not legal to modify the values of FreeMarker settings: a) while the template is executing; b) if the template object is already accessible from multiple threads. @version $Id: Template.java,v 1.216.2.3 2006/03/10 17:49:02 revusky Exp $

     * Test method for {@link FreemarkerUtil#getAsObject(TemplateModel, Object)}.
     * @throws TemplateModelException If something goes wrong.
     */
    @Test
    public void testGetAsObjectDefault() throws TemplateModelException {
        Template template = createMock(Template.class);
        TemplateHashModel rootDataModel = createMock(TemplateHashModel.class);
        Writer out = createMock(Writer.class);


        expect(template.getMacros()).andReturn(new HashMap<String, Macro>());


        replay(template, rootDataModel, out);
        new Environment(template, rootDataModel, out);


        assertEquals(new Integer(1), FreemarkerUtil.getAsObject(null, Integer.class, new Integer(1)));

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     * @throws TemplateModelException If something goes wrong.
     */
    @Test(expected = FreemarkerAutotagException.class)
    public void testGetAsObjectException() throws TemplateModelException {
        TemplateNumberModel model = createMock(TemplateNumberModel.class);
        Template template = createMock(Template.class);
        TemplateHashModel rootDataModel = createMock(TemplateHashModel.class);
        Writer out = createMock(Writer.class);


        expect(model.getAsNumber()).andThrow(new TemplateModelException());
        expect(template.getMacros()).andReturn(new HashMap<String, Macro>());


        replay(template, rootDataModel, out);
        new Environment(template, rootDataModel, out);


        replay(model);

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     * Test method for {@link EnvironmentScopeExtractor#removeValue(java.lang.String)}.
     * @throws TemplateModelException If something goes wrong.
     */
    @Test
    public void testRemoveValue() throws TemplateModelException {
        Template template = createMock(Template.class);
        TemplateHashModel model = createMock(TemplateHashModel.class);
        TemplateModel valueModel = createMock(TemplateModel.class);
        Configuration configuration = createMock(Configuration.class);
        Writer writer = new StringWriter();


        expect(template.getMacros()).andReturn(new HashMap<Object, Object>());
        expect(model.get("key")).andReturn(null);
        expect(template.getConfiguration()).andReturn(configuration);
        expect(configuration.getSharedVariable("key")).andReturn(null);


        replay(template, model, valueModel, configuration);
        Environment env = new Environment(template, model, writer);
        env.setVariable("key", valueModel);

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    /**
     * Test method for {@link EnvironmentScopeExtractor#getKeys()}.
     */
    @Test
    public void testGetKeys() {
        Template template = createMock(Template.class);
        TemplateHashModel model = createMock(TemplateHashModel.class);
        TemplateModel valueModel = createMock(TemplateModel.class);
        Configuration configuration = createMock(Configuration.class);
        Set<String> names = new HashSet<String>();
        names.add("testGetKeys");
        
        Writer writer = new StringWriter();


        expect(template.getMacros()).andReturn(new HashMap<Object, Object>());
        expect(template.getConfiguration()).andReturn(configuration);
        expect(configuration.getSharedVariableNames()).andReturn(names);


        replay(template, model, valueModel, configuration);
        Environment env = new Environment(template, model, writer);
        EnvironmentScopeExtractor extractor = new EnvironmentScopeExtractor(env);

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     * @throws TemplateModelException If something goes wrong.
     */
    @SuppressWarnings("unchecked")
    @Test(expected = FreemarkerRequestException.class)
    public void testGetKeysException() throws TemplateModelException {
        Template template = createMock(Template.class);
        TemplateHashModelEx model = createMock(TemplateHashModelEx.class);
        TemplateModel valueModel = createMock(TemplateModel.class);
        Configuration configuration = createMock(Configuration.class);
        Set<String> names = createMock(Set.class);
        Iterator<String> namesIt = createMock(Iterator.class);
        Writer writer = new StringWriter();


        expect(template.getMacros()).andReturn(new HashMap<Object, Object>());
        expect(model.keys()).andThrow(new TemplateModelException());
        expect(template.getConfiguration()).andReturn(configuration);
        expect(configuration.getSharedVariableNames()).andReturn(names);


        replay(template, model, valueModel, configuration, names, namesIt);
        try {
            Environment env = new Environment(template, model, writer);

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     * Test method for {@link EnvironmentScopeExtractor#getValue(java.lang.String)}.
     * @throws TemplateModelException If something goes wrong.
     */
    @Test
    public void testGetValue() throws TemplateModelException {
        Template template = createMock(Template.class);
        TemplateHashModel model = createMock(TemplateHashModel.class);
        TemplateScalarModel valueModel = createMock(TemplateScalarModel.class);
        Configuration configuration = createMock(Configuration.class);
        ObjectWrapper objectWrapper = createMock(ObjectWrapper.class);
        Writer writer = new StringWriter();


        expect(template.getMacros()).andReturn(new HashMap<Object, Object>());
        expect(valueModel.getAsString()).andReturn("value");


        replay(template, model, valueModel, configuration, objectWrapper);
        Environment env = new Environment(template, model, writer);
        env.setVariable("key", valueModel);

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     * Test method for {@link EnvironmentScopeExtractor#getValue(java.lang.String)}.
     * @throws TemplateModelException If something goes wrong.
     */
    @Test
    public void testGetValueNull() throws TemplateModelException {
        Template template = createMock(Template.class);
        TemplateHashModel model = createMock(TemplateHashModel.class);
        TemplateScalarModel valueModel = createMock(TemplateScalarModel.class);
        Configuration configuration = createMock(Configuration.class);
        ObjectWrapper objectWrapper = createMock(ObjectWrapper.class);
        Writer writer = new StringWriter();


        expect(template.getMacros()).andReturn(new HashMap<Object, Object>());
        expect(model.get("key")).andReturn(null);
        expect(template.getConfiguration()).andReturn(configuration);
        expect(configuration.getSharedVariable("key")).andReturn(null);


        replay(template, model, valueModel, configuration, objectWrapper);
        Environment env = new Environment(template, model, writer);
        EnvironmentScopeExtractor extractor = new EnvironmentScopeExtractor(env);

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     * Test method for {@link EnvironmentScopeExtractor#getValue(java.lang.String)}.
     * @throws TemplateModelException If something goes wrong.
     */
    @Test(expected = FreemarkerRequestException.class)
    public void testGetValueException() throws TemplateModelException {
        Template template = createMock(Template.class);
        TemplateHashModel model = createMock(TemplateHashModel.class);
        TemplateScalarModel valueModel = createMock(TemplateScalarModel.class);
        Configuration configuration = createMock(Configuration.class);
        ObjectWrapper objectWrapper = createMock(ObjectWrapper.class);
        Writer writer = new StringWriter();


        expect(template.getMacros()).andReturn(new HashMap<Object, Object>());
        expect(model.get("key")).andThrow(new TemplateModelException());


        replay(template, model, valueModel, configuration, objectWrapper);
        try {
            Environment env = new Environment(template, model, writer);

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     * Test method for {@link EnvironmentScopeExtractor#setValue(java.lang.String, java.lang.Object)}.
     * @throws TemplateModelException If something goes wrong.
     */
    @Test
    public void testSetValue() throws TemplateModelException {
        Template template = createMock(Template.class);
        TemplateHashModel model = createMock(TemplateHashModel.class);
        TemplateModel valueModel = createMock(TemplateModel.class);
        Configuration configuration = createMock(Configuration.class);
        ObjectWrapper objectWrapper = createMock(ObjectWrapper.class);
        Writer writer = new StringWriter();


        expect(template.getMacros()).andReturn(new HashMap<Object, Object>());
        expect(template.getObjectWrapper()).andReturn(objectWrapper);
        expect(objectWrapper.wrap("value")).andReturn(valueModel);


        replay(template, model, valueModel, configuration, objectWrapper);
        Environment env = new Environment(template, model, writer);
        EnvironmentScopeExtractor extractor = new EnvironmentScopeExtractor(env);

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     * Test method for {@link EnvironmentScopeExtractor#setValue(java.lang.String, java.lang.Object)}.
     * @throws TemplateModelException If something goes wrong.
     */
    @Test(expected = FreemarkerRequestException.class)
    public void testSetValueException() throws TemplateModelException {
        Template template = createMock(Template.class);
        TemplateHashModel model = createMock(TemplateHashModel.class);
        TemplateModel valueModel = createMock(TemplateModel.class);
        Configuration configuration = createMock(Configuration.class);
        ObjectWrapper objectWrapper = createMock(ObjectWrapper.class);
        Writer writer = new StringWriter();


        expect(template.getMacros()).andReturn(new HashMap<Object, Object>());
        expect(template.getObjectWrapper()).andReturn(objectWrapper);
        expect(objectWrapper.wrap("value")).andThrow(new TemplateModelException());


        replay(template, model, valueModel, configuration, objectWrapper);
        try {
            Environment env = new Environment(template, model, writer);

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