SLICE-128 making SliceLookUpTag type attribute value String

README.md

@@ -31,7 +31,12 @@ No more business logic in your view (JSP, Sightly scripts) - business logic's pl
 
 **JSPs made clean and tidy** - no more these ugly scriptlets.
 ```jsp
-<slice:lookup var="model" type="<%=com.example.components.text.TextModel%>" />
+<slice:lookup var="model" type="<%= com.example.components.text.TextModel.class %>" />
+<p>${model.text}</p>
+```
+or it can be 
+```jsp
+<slice:lookup var="model" type="com.example.components.text.TextModel" />
 <p>${model.text}</p>
 ```
 
@@ -220,7 +225,7 @@ Add dependencies to your POM file:
 <dependency>
 	<groupId>com.cognifide.slice</groupId>
 	<artifactId>slice-core-api</artifactId>
-	<version>4.3.0</version>
+	<version>5.0.0</version>
 </dependency>
 <dependency>
 	<groupId>com.cognifide.slice</groupId>

slice-core-api/src/main/java/com/cognifide/slice/api/tag/SliceLookupTag.java

@@ -33,31 +33,40 @@ public class SliceLookupTag extends SimpleTagSupport {
 
 	private String appName; // auto-detected when null
 
+	private String name;
+
 	private Class<?> type;
 
 	private void clean() {
 		type = null;
 		var = null;
 		appName = null;
+		name = null;
 	}
 
 	@Override
 	public void doTag() throws JspException {
 		try {
-			if (StringUtils.isBlank(var) || (type == null)) {
+			if (StringUtils.isBlank(var) || (type == null && StringUtils.isEmpty(name))) {
 				throw new JspTagException("Var and Type must be set " + appName);
 			}
 
 			final PageContext pageContext = (PageContext) getJspContext();
-			final Object model = SliceTagUtils.getFromCurrentPath(pageContext, type, appName);
+			final Object model = StringUtils.isEmpty(name) ? SliceTagUtils.getFromCurrentPath(pageContext, type, appName) : SliceTagUtils.getFromCurrentPath(pageContext, name, appName);
 			pageContext.setAttribute(var, model, PageContext.PAGE_SCOPE);
+		} catch (ClassNotFoundException cause) {
+			throw new JspTagException("Could not get class for " + name + cause.getMessage());
 		} finally {
 			clean();
 		}
 	}
 
-	public void setType(Class<?> type) {
-		this.type = type;
+	public void setType(Object type) {
+		if(type instanceof Class){
+			this.type = (Class)type;
+		}else if(type instanceof String){
+			this.name = (String)type;
+		}
 	}
 
 	public void setVar(String var) {

slice-core-api/src/main/java/com/cognifide/slice/api/tag/SliceTagUtils.java

@@ -73,6 +73,45 @@ public static <T> T getFromCurrentPath(final PageContext pageContext, final Clas
 		return getFromCurrentPath(request, injectorsRepository, requestContextProvider, type, appName);
 	}
 
+	/**
+	 * A helper method that returns the model of {@code type}
+	 *
+	 * @param pageContext allows to access request context
+	 * @param type canonical name of the class, whose model object needs to be returned
+	 * @return Model object pertaining to {@code type} as it's canonical name
+	 * @throws ClassNotFoundException if the class was not found
+	 */
+	public static Object getFromCurrentPath(final PageContext pageContext, final String type,
+				final String appName) throws ClassNotFoundException {
+		final SlingHttpServletRequest request = slingRequestFrom(pageContext);
+		final InjectorWithContext injector = getInjectorWithContext(pageContext, request, appName);
+
+		injector.pushContextProvider(contextProviderFrom(pageContext));
+
+		final ModelProvider modelProvider = injector.getInstance(ModelProvider.class);
+
+		try {
+			return modelProvider.get(type, request.getResource());
+		} finally {
+			injector.popContextProvider();
+		}
+	}
+
+	private static InjectorWithContext getInjectorWithContext(final PageContext pageContext,
+				final SlingHttpServletRequest request, final String appName){
+		final InjectorsRepository injectorsRepository = injectorsRepositoryFrom(pageContext);
+
+		final String injectorName = getInjectorName(request, appName, injectorsRepository);
+
+		InjectorWithContext injector = injectorsRepository.getInjector(injectorName);
+
+		if (injector == null) {
+			throw new IllegalStateException("Guice injector not found for app: " + appName);
+		} else {
+			return injector;
+		}
+	}
+
 	/**
 	 * A helper method that returns a model of the Sling resource related to given request
 	 *

slice-core-api/src/main/java/com/cognifide/slice/api/tag/package-info.java

@@ -17,7 +17,7 @@
  * limitations under the License.
  * #L%
  */
-@Version("4.3.0")
+@Version("5.0.0")
 package com.cognifide.slice.api.tag;
 
 import aQute.bnd.annotation.Version;