diff options
Diffstat (limited to 'eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/gui')
-rw-r--r-- | eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/gui/AbstractVelocityGUIFormBuilderImpl.java (renamed from eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/gui/AbstractGUIFormBuilderImpl.java) | 68 |
1 files changed, 47 insertions, 21 deletions
diff --git a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/gui/AbstractGUIFormBuilderImpl.java b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/gui/AbstractVelocityGUIFormBuilderImpl.java index 7273ccc8..65e13b5a 100644 --- a/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/gui/AbstractGUIFormBuilderImpl.java +++ b/eaaf_core/src/main/java/at/gv/egiz/eaaf/core/impl/gui/AbstractVelocityGUIFormBuilderImpl.java @@ -35,6 +35,7 @@ import java.util.Iterator; import java.util.Map; import java.util.Map.Entry; +import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.lang3.StringUtils; @@ -45,7 +46,8 @@ import org.slf4j.LoggerFactory; import at.gv.egiz.eaaf.core.api.data.EAAFConstants; import at.gv.egiz.eaaf.core.api.gui.IGUIBuilderConfiguration; -import at.gv.egiz.eaaf.core.api.gui.IGUIFormBuilder; +import at.gv.egiz.eaaf.core.api.gui.IVelocityGUIBuilderConfiguration; +import at.gv.egiz.eaaf.core.api.gui.IVelocityGuiFormBuilder; import at.gv.egiz.eaaf.core.exceptions.GUIBuildException; import at.gv.egiz.eaaf.core.impl.gui.velocity.VelocityProvider; @@ -53,43 +55,65 @@ import at.gv.egiz.eaaf.core.impl.gui.velocity.VelocityProvider; * @author tlenz * */ -public abstract class AbstractGUIFormBuilderImpl implements IGUIFormBuilder { - private static final Logger log = LoggerFactory.getLogger(AbstractGUIFormBuilderImpl.class); +public abstract class AbstractVelocityGUIFormBuilderImpl implements IVelocityGuiFormBuilder { + private static final Logger log = LoggerFactory.getLogger(AbstractVelocityGUIFormBuilderImpl.class); private static final String DEFAULT_CONTENT_TYPE = EAAFConstants.CONTENTTYPE_HTML_UTF8; private VelocityEngine engine; - public AbstractGUIFormBuilderImpl() throws GUIBuildException { + public AbstractVelocityGUIFormBuilderImpl() throws GUIBuildException { try { engine = VelocityProvider.getClassPathVelocityEngine(); - } catch (Exception e) { + } catch (final Exception e) { log.error("Initialization of Velocity-Engine to render GUI components FAILED.", e); throw new GUIBuildException("Initialization of Velocity-Engine to render GUI components FAILED.", e); } } + + @Override + public final void build(HttpServletRequest httpReq, HttpServletResponse httpResp, IGUIBuilderConfiguration config, + String loggerName) throws GUIBuildException { + if (config instanceof IVelocityGUIBuilderConfiguration) + build(httpReq, httpResp, config, loggerName); + else + throw new IllegalStateException(this.getClass().getName() + " needs a " + IVelocityGUIBuilderConfiguration.class.getName()); - public void build(HttpServletResponse httpResp, IGUIBuilderConfiguration config, String loggerName) throws GUIBuildException { - build(httpResp, config, getInternalContentType(config), loggerName); } + + @Override + public final void build(HttpServletRequest httpReq, HttpServletResponse httpResp, IGUIBuilderConfiguration config, + String contentType, String loggerName) throws GUIBuildException { + if (config instanceof IVelocityGUIBuilderConfiguration) + build(httpReq, httpResp, config, loggerName); + else + throw new IllegalStateException(this.getClass().getName() + " needs a " + IVelocityGUIBuilderConfiguration.class.getName()); + } + @Override - public void build(HttpServletResponse httpResp, IGUIBuilderConfiguration config, + public void build(HttpServletRequest httpReq, HttpServletResponse httpResp, IVelocityGUIBuilderConfiguration config, String loggerName) throws GUIBuildException { + build(httpReq, httpResp, config, getInternalContentType(config), loggerName); + + } + + @Override + public void build(HttpServletRequest httpReq, HttpServletResponse httpResp, IVelocityGUIBuilderConfiguration config, String contentType, String loggerName) throws GUIBuildException { InputStream is = null; try { - String viewName = config.getViewName(); + final String viewName = config.getViewName(); is = getTemplateInputStream(config); //build Velocity Context from input paramters - VelocityContext context = buildContextFromViewParams(config.getViewParameters()); + final VelocityContext context = buildContextFromViewParams(config.getViewParameters()); //evaluate template - StringWriter writer = new StringWriter(); + final StringWriter writer = new StringWriter(); engine.evaluate(context, writer, loggerName, new BufferedReader(new InputStreamReader(is))); //write template to response @@ -104,12 +128,12 @@ public abstract class AbstractGUIFormBuilderImpl implements IGUIFormBuilder { + ". Contentsize:" + String.valueOf(content.length) + " BufferSize:" + httpResp.getBufferSize() + " ContentType:" + contentType); - for (String el : httpResp.getHeaderNames()) + for (final String el : httpResp.getHeaderNames()) log.trace(" * Headername:" + el + " Value:" + httpResp.getHeader(el)); } - } catch (IOException e) { + } catch (final IOException e) { log.error("GUI form-builder has an internal error.", e); throw new GUIBuildException("GUI form-builder has an internal error.", e); @@ -118,7 +142,7 @@ public abstract class AbstractGUIFormBuilderImpl implements IGUIFormBuilder { try { is.close(); - } catch (IOException e) { + } catch (final IOException e) { log.error("Can NOT close GUI-Template InputStream.", e); } @@ -132,7 +156,8 @@ public abstract class AbstractGUIFormBuilderImpl implements IGUIFormBuilder { * @param config * @return */ - public VelocityContext generateVelocityContextFromConfiguration(IGUIBuilderConfiguration config) { + @Override + public VelocityContext generateVelocityContextFromConfiguration(IVelocityGUIBuilderConfiguration config) { return buildContextFromViewParams(config.getViewParameters()); } @@ -144,7 +169,8 @@ public abstract class AbstractGUIFormBuilderImpl implements IGUIFormBuilder { * @return An {@link InputStream} but never null. The {@link InputStream} had to be closed be the invoking method * @throws GUIBuildException */ - public InputStream getTemplateInputStream(IGUIBuilderConfiguration config) throws GUIBuildException { + @Override + public InputStream getTemplateInputStream(IVelocityGUIBuilderConfiguration config) throws GUIBuildException { InputStream is = config.getTemplate(config.getViewName()); if (is == null) { log.trace("Loading GUI template:" + config.getViewName() + " from default resources ... "); @@ -167,13 +193,13 @@ public abstract class AbstractGUIFormBuilderImpl implements IGUIFormBuilder { * @return * @throws GUIBuildException */ - abstract protected InputStream getInternalTemplate(IGUIBuilderConfiguration config) throws GUIBuildException; + abstract protected InputStream getInternalTemplate(IVelocityGUIBuilderConfiguration config) throws GUIBuildException; /** * @return */ - protected String getInternalClasspathTemplateDir(IGUIBuilderConfiguration config, String defaultClassPathDir) { + protected String getInternalClasspathTemplateDir(IVelocityGUIBuilderConfiguration config, String defaultClassPathDir) { String dir = config.getClasspathTemplateDir(); if (dir != null) { if (!dir.endsWith("/")) @@ -190,12 +216,12 @@ public abstract class AbstractGUIFormBuilderImpl implements IGUIFormBuilder { * @return */ private VelocityContext buildContextFromViewParams(Map<String, Object> viewParams) { - VelocityContext context = new VelocityContext(); + final VelocityContext context = new VelocityContext(); if (viewParams != null) { - Iterator<Entry<String, Object>> interator = viewParams.entrySet().iterator(); + final Iterator<Entry<String, Object>> interator = viewParams.entrySet().iterator(); while (interator.hasNext()) { - Entry<String, Object> el = interator.next(); + final Entry<String, Object> el = interator.next(); context.put(el.getKey(), el.getValue()); } |