Example usage for org.springframework.util Assert state

List of usage examples for org.springframework.util Assert state

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Introduction

In this page you can find the example usage for org.springframework.util Assert state.

Prototype

public static void state(boolean expression, Supplier<String> messageSupplier)

Source Link

Document

Assert a boolean expression, throwing an IllegalStateException if the expression evaluates to false .

Usage

From source file:org.codehaus.groovy.grails.web.pages.GroovyPagesTemplateRenderer.java

public void render(GrailsWebRequest webRequest, GroovyPageBinding pageScope, Map<String, Object> attrs,
        Object body, Writer out) throws IOException {
    Assert.state(groovyPagesTemplateEngine != null, "Property [groovyPagesTemplateEngine] must be set!");

    String templateName = getStringValue(attrs, "template");
    if (StringUtils.isBlank(templateName)) {
        throw new GrailsTagException("Tag [render] is missing required attribute [template]");
    }//from   w w w .ja  v  a  2s. c  o m

    String uri = webRequest.getAttributes().getTemplateUri(templateName, webRequest.getRequest());
    String contextPath = getStringValue(attrs, "contextPath");
    String pluginName = getStringValue(attrs, "plugin");

    Template t = findAndCacheTemplate(webRequest, pageScope, templateName, contextPath, pluginName, uri);
    if (t == null) {
        throw new GrailsTagException(
                "Template not found for name [" + templateName + "] and path [" + uri + "]");
    }

    makeTemplate(webRequest, t, attrs, body, out);
}

From source file:org.codehaus.groovy.grails.web.servlet.mvc.SimpleGrailsController.java

/**
 * <p>Wraps regular request and response objects into Grails request and response objects.
 *
 * <p>It can handle maps as model types next to ModelAndView instances.
 *
 * @param request HTTP request/* w ww . j a  v  a  2s .  co m*/
 * @param response HTTP response
 * @return the model
 */
public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
    // Step 1: determine the correct URI of the request.
    String uri = urlPathHelper.getPathWithinApplication(request);
    if (LOG.isDebugEnabled()) {
        LOG.debug("[SimpleGrailsController] Processing request for uri [" + uri + "]");
    }

    RequestAttributes ra = RequestContextHolder.getRequestAttributes();

    Assert.state(ra instanceof GrailsWebRequest, "Bound RequestContext is not an instance of GrailsWebRequest");

    GrailsWebRequest webRequest = (GrailsWebRequest) ra;

    ModelAndView mv = grailsControllerHelper.handleURI(uri, webRequest);

    if (mv != null) {
        if (LOG.isDebugEnabled()) {
            LOG.debug("[SimpleGrailsController] Forwarding model and view [" + mv + "] with class ["
                    + (mv.getView() != null ? mv.getView().getClass().getName() : mv.getViewName()) + "]");
        }
    }
    return mv;
}

From source file:org.codehaus.groovy.grails.web.servlet.view.GroovyPageView.java

/**
 * Delegates to renderMergedOutputModel(..)
 *
 * @see #renderMergedOutputModel(java.util.Map, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
 *
 * @param model The view model/*from w w  w  . j  a v  a  2 s  .c  om*/
 * @param request The HttpServletRequest
 * @param response The HttpServletResponse
 * @throws Exception When an error occurs rendering the view
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
@Override
protected final void renderMergedOutputModel(Map model, HttpServletRequest request,
        HttpServletResponse response) throws Exception {
    // templateEngine is always same instance in context, can use cached; removed static cache in GrailsViewResolver
    Assert.state(templateEngine != null, "No GroovyPagesTemplateEngine found in ApplicationContext!");

    exposeModelAsRequestAttributes(model, request);
    renderWithTemplateEngine(templateEngine, model, response, request); // new ModelExposingHttpRequestWrapper(request, model)
}

From source file:org.emonocot.job.io.StaxEventItemWriter.java

/**
 * Helper method for opening output source at given file position.
 * @param position Set the position/*from w  ww  .  j  a va  2 s . c o  m*/
 * @param restarted Is this execution being restarted
 */
private void open(final long position, final boolean restarted) {

    File file;
    FileOutputStream os = null;

    try {
        file = resource.getFile();
        FileUtils.setUpOutputFile(file, restarted, overwriteOutput);
        Assert.state(resource.exists(), "Output resource must exist");
        os = new FileOutputStream(file, true);
        channel = os.getChannel();
        setPosition(position);
    } catch (IOException ioe) {
        throw new DataAccessResourceFailureException("Unable to write to file resource: [" + resource + "]",
                ioe);
    }

    XMLOutputFactory outputFactory = XMLOutputFactory.newInstance();

    if (outputFactory.isPropertySupported("com.ctc.wstx.automaticEndElements")) {
        // If the current XMLOutputFactory implementation is supplied by
        // Woodstox >= 3.2.9 we want to disable its
        // automatic end element feature (see:
        // http://jira.codehaus.org/browse/WSTX-165) per
        // http://jira.springframework.org/browse/BATCH-761.
        outputFactory.setProperty("com.ctc.wstx.automaticEndElements", Boolean.FALSE);
    }

    try {
        if (transactional) {
            bufferedWriter = new TransactionAwareBufferedWriter(new OutputStreamWriter(os, encoding),
                    new Runnable() {
                        public void run() {
                            closeStream();
                        }
                    });
        } else {
            bufferedWriter = new BufferedWriter(new OutputStreamWriter(os, encoding));
        }
        delegateEventWriter = outputFactory.createXMLEventWriter(bufferedWriter);
        eventWriter = new NoStartEndDocumentStreamWriter(delegateEventWriter);
        if (!restarted) {
            startDocument(delegateEventWriter);
        }
    } catch (XMLStreamException xse) {
        throw new DataAccessResourceFailureException("Unable to write to file resource: [" + resource + "]",
                xse);
    } catch (UnsupportedEncodingException e) {
        throw new DataAccessResourceFailureException(
                "Unable to write to file resource: [" + resource + "] with encoding=[" + encoding + "]", e);
    }

}

From source file:org.emonocot.job.io.StaxEventItemWriter.java

/**
 * Write the value objects and flush them to the file.
 *
 * @param items//from   w  ww.ja  v  a 2 s  . c om
 *            the value object
 * @throws IOException
 *             if there is a problem writing to the resource
 */
public final void write(final List<? extends T> items) throws IOException {

    currentRecordCount += items.size();

    for (Object object : items) {
        Assert.state(marshaller.supports(object.getClass()),
                "Marshaller must support the class of the marshalled object");
        try {
            marshaller.marshal(object, StaxUtils.createStaxResult(eventWriter));
        } catch (XmlMappingException e) {
            throw new IOException(e.getMessage());
        } catch (XMLStreamException e) {
            throw new IOException(e.getMessage());
        }
    }
    try {
        eventWriter.flush();
    } catch (XMLStreamException e) {
        throw new WriteFailedException("Failed to flush the events", e);
    }

}

From source file:org.esupportail.publisher.config.FileUploadConfiguration.java

private String getDefinedUploadPath(final String propertyKey) {
    if (env.containsProperty(propertyKey)) {
        final String path = env.getProperty(propertyKey);
        final File file = new File(path);
        Assert.state(file.exists(), "You defined the property \'" + propertyKey + "\' = '" + path
                + "' but the path doesn't exist or there isn't read permissions");
        Assert.state(file.isDirectory(), "You defined the property \'\" + propertyKey + \"\' = '" + path
                + "' but the path isn't a directory");
        Assert.state(file.canWrite(), "You defined the property \'\" + propertyKey + \"\' = '" + path
                + "' but the path isn't has write access");
        return path;
    }/*from w w  w.jav a2s  .  c  om*/
    return null;
}

From source file:org.geoserver.backuprestore.writer.CatalogFileWriter.java

private OutputState getOutputState() {
    if (state == null) {
        File file;/*from   w ww  .  j  a  va2  s .  c  o m*/
        try {
            file = resource.getFile();
        } catch (IOException e) {
            throw new ItemStreamException("Could not convert resource to file: [" + resource + "]", e);
        }
        Assert.state(!file.exists() || file.canWrite(), "Resource is not writable: [" + resource + "]");
        state = new OutputState();
        state.setDeleteIfExists(shouldDeleteIfExists);
        state.setAppendAllowed(append);
        state.setEncoding(encoding);
    }
    return state;
}

From source file:org.kuali.rice.krad.web.bind.UifServletRequestDataBinder.java

/**
 * Allows for a custom binding result class.
 *
 * @see org.springframework.validation.DataBinder#initBeanPropertyAccess()
 *///ww  w  .  j av  a  2  s . c om
@Override
public void initBeanPropertyAccess() {
    Assert.state(this.bindingResult == null,
            "DataBinder is already initialized - call initBeanPropertyAccess before other configuration methods");

    this.bindingResult = new UifBeanPropertyBindingResult(getTarget(), getObjectName(), isAutoGrowNestedPaths(),
            getAutoGrowCollectionLimit());
    this.bindingResult.setChangeTracking(this.changeTracking);

    if (this.conversionService != null) {
        this.bindingResult.initConversion(this.conversionService);
    }

    if (this.dataObjectService == null) {
        this.dataObjectService = KradDataServiceLocator.getDataObjectService();
    }
}

From source file:org.nextframework.controller.ExtendedBeanWrapper.java

/**
 * Internal version of getPropertyDescriptor:
 * Returns null if not found rather than throwing an exception.
 *///from  w  w w  .j  ava 2 s .  c o  m
protected PropertyDescriptor getPropertyDescriptorInternal(String propertyName) throws BeansException {
    Assert.state(this.object != null, "BeanWrapper does not hold a bean instance");
    ExtendedBeanWrapper nestedBw = getBeanWrapperForPropertyPath(propertyName);
    return nestedBw.cachedIntrospectionResults.getPropertyDescriptor(getFinalPath(nestedBw, propertyName));
}

From source file:org.opennms.netmgt.poller.remote.support.ScanReportPollerFrontEnd.java

private static void assertNotNull(final Object propertyValue, final String propertyName) {
    Assert.state(propertyValue != null,
            propertyName + " must be set for instances of " + ScanReportPollerFrontEnd.class.getName());
}