Example usage for org.apache.wicket.request IRequestCycle getResponse

Introduction

In this page you can find the example usage for org.apache.wicket.request IRequestCycle getResponse.

Prototype

Response getResponse();

Source Link

Document

Get the active response at the request cycle.

Usage

From source file:com.apachecon.memories.link.ImageLink.java

License:Apache License

public void onClick() {
    RequestCycle.get().scheduleRequestHandlerAfterCurrent(new IRequestHandler() {

        @Override/*from ww  w  .jav a 2  s .c  om*/
        public void respond(IRequestCycle requestCycle) {
            WebResponse response = (WebResponse) requestCycle.getResponse();
            response.setContentType(getModelObject().getContentType());

            try {
                InputStream is = getModelObject().getInputStream();

                byte[] buffer = new byte[512];
                int length = 0;
                while ((length = is.read(buffer)) > 0) {
                    response.write(buffer, 0, length);
                }
                response.flush();

                is.close();
            } catch (Exception e) {
                response.flush();
            }
        }

        @Override
        public void detach(IRequestCycle requestCycle) {
            // TODO Auto-generated method stub

        }
    });
}

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From source file:com.conwax.ajax.SimpleAjaxRequestTarget.java

License:Apache License

public void respond(IRequestCycle requestCycle) {
    final WebResponse response = (WebResponse) requestCycle.getResponse();

    response.reset();//from   ww  w. jav  a2  s.  com
    // Make sure it is not cached by a client
    response.disableCaching();

    if (component.getRenderBodyOnly() == true) {
        throw new IllegalStateException(
                "Ajax render cannot be called on component that has setRenderBodyOnly enabled. Component: "
                        + component.toString());
    }

    component.setOutputMarkupId(true);

    // Initialize temporary variables
    final Page page = component.findParent(Page.class);
    if (page == null) {
        // dont throw an exception but just ignore this component,
        // somehow
        // it got removed from the page.
        LOG.debug("component: " + component + " with markupid: " + component.getMarkupId()
                + " not rendered because it was already removed from page");
        return;
    }

    page.startComponentRender(component);

    try {
        component.prepareForRender();

        // render any associated headers of the component
        // forget about Header Contribs
        // writeHeaderContribution(response, component);
    } catch (RuntimeException e) {
        try {
            component.afterRender();
        } catch (RuntimeException e2) {
            // ignore this one could be a result off.
        }
        throw e;
    }

    try {
        component.render();
    } catch (RuntimeException e) {
        response.reset();
        throw e;
    }

    page.endComponentRender(component);

}

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From source file:com.gitblit.wicket.pages.ExportTicketPage.java

License:Apache License

public ExportTicketPage(final PageParameters params) {
    super(params);

    if (params.get("r").isEmpty()) {
        error(getString("gb.repositoryNotSpecified"));
        redirectToInterceptPage(new RepositoriesPage());
    }//w  w w .  j a v  a2  s. c  o  m

    getRequestCycle().scheduleRequestHandlerAfterCurrent(new IRequestHandler() {

        @Override
        public void respond(IRequestCycle requestCycle) {
            WebResponse response = (WebResponse) requestCycle.getResponse();

            final String repositoryName = WicketUtils.getRepositoryName(params);
            RepositoryModel repository = app().repositories().getRepositoryModel(repositoryName);
            String objectId = WicketUtils.getObject(params).toLowerCase();
            if (objectId.endsWith(".json")) {
                objectId = objectId.substring(0, objectId.length() - ".json".length());
            }
            long id = Long.parseLong(objectId);
            TicketModel ticket = app().tickets().getTicket(repository, id);

            String content = TicketSerializer.serialize(ticket);
            contentType = "application/json; charset=UTF-8";
            response.setContentType(contentType);
            try {
                response.getOutputStream().write(content.getBytes("UTF-8"));
            } catch (Exception e) {
                logger.error("Failed to write text response", e);
            }
        }

        @Override
        public void detach(IRequestCycle requestCycle) {
            // TODO Auto-generated method stub

        }
    });
}

---

From source file:com.gitblit.wicket.pages.RawPage.java

License:Apache License

public RawPage(final PageParameters params) {
    super(params);

    if (params.get("r").isEmpty()) {
        error(getString("gb.repositoryNotSpecified"));
        redirectToInterceptPage(new RepositoriesPage());
    }/*  ww w .  java 2  s  . c om*/

    getRequestCycle().scheduleRequestHandlerAfterCurrent(new IRequestHandler() {

        @Override
        public void respond(IRequestCycle requestCycle) {
            WebResponse response = (WebResponse) requestCycle.getResponse();

            final String repositoryName = WicketUtils.getRepositoryName(params);
            final String objectId = WicketUtils.getObject(params);
            final String blobPath = WicketUtils.getPath(params);

            String[] encodings = getEncodings();
            GitBlitWebSession session = GitBlitWebSession.get();
            UserModel user = session.getUser();

            RepositoryModel model = app().repositories().getRepositoryModel(user, repositoryName);
            if (model == null) {
                // user does not have permission
                error(getString("gb.canNotLoadRepository") + " " + repositoryName);
                redirectToInterceptPage(new RepositoriesPage());
                return;
            }

            Repository r = app().repositories().getRepository(repositoryName);
            if (r == null) {
                error(getString("gb.canNotLoadRepository") + " " + repositoryName);
                redirectToInterceptPage(new RepositoriesPage());
                return;
            }

            if (StringUtils.isEmpty(blobPath)) {
                // objectid referenced raw view
                byte[] binary = JGitUtils.getByteContent(r, objectId);
                if (binary == null) {
                    final String objectNotFound = MessageFormat
                            .format("Raw page failed to find object {0} in {1}", objectId, repositoryName);
                    logger.error(objectNotFound);
                    throw new AbortWithHttpErrorCodeException(HttpServletResponse.SC_NOT_FOUND, objectNotFound);
                }
                contentType = "application/octet-stream";
                response.setContentType(contentType);
                response.setContentLength(binary.length);
                try {
                    response.getOutputStream().write(binary);
                } catch (Exception e) {
                    logger.error("Failed to write binary response", e);
                }
            } else {
                // standard raw blob view
                RevCommit commit = JGitUtils.getCommit(r, objectId);
                if (commit == null) {
                    final String commitNotFound = MessageFormat
                            .format("Raw page failed to find commit {0} in {1}", objectId, repositoryName);
                    logger.error(commitNotFound);
                    throw new AbortWithHttpErrorCodeException(HttpServletResponse.SC_NOT_FOUND, commitNotFound);
                }

                String filename = blobPath;
                if (blobPath.indexOf('/') > -1) {
                    filename = blobPath.substring(blobPath.lastIndexOf('/') + 1);
                }

                String extension = null;
                if (blobPath.lastIndexOf('.') > -1) {
                    extension = blobPath.substring(blobPath.lastIndexOf('.') + 1);
                }

                // Map the extensions to types
                Map<String, Integer> map = new HashMap<String, Integer>();
                for (String ext : app().settings().getStrings(Keys.web.imageExtensions)) {
                    map.put(ext.toLowerCase(), 2);
                }
                for (String ext : app().settings().getStrings(Keys.web.binaryExtensions)) {
                    map.put(ext.toLowerCase(), 3);
                }

                final String blobNotFound = MessageFormat.format(
                        "Raw page failed to find blob {0} in {1} @ {2}", blobPath, repositoryName, objectId);

                if (extension != null) {
                    int type = 0;
                    if (map.containsKey(extension)) {
                        type = map.get(extension);
                    }
                    switch (type) {
                    case 2:
                        // image blobs
                        byte[] image = JGitUtils.getByteContent(r, commit.getTree(), blobPath, true);
                        if (image == null) {
                            logger.error(blobNotFound);
                            throw new AbortWithHttpErrorCodeException(HttpServletResponse.SC_NOT_FOUND,
                                    blobNotFound);
                        }
                        contentType = "image/" + extension.toLowerCase();
                        response.setContentType(contentType);
                        response.setContentLength(image.length);
                        try {
                            response.getOutputStream().write(image);
                        } catch (IOException e) {
                            logger.error("Failed to write image response", e);
                        }
                        break;
                    case 3:
                        // binary blobs (download)
                        byte[] binary = JGitUtils.getByteContent(r, commit.getTree(), blobPath, true);
                        if (binary == null) {
                            logger.error(blobNotFound);
                            throw new AbortWithHttpErrorCodeException(HttpServletResponse.SC_NOT_FOUND,
                                    blobNotFound);
                        }
                        contentType = "application/octet-stream";
                        response.setContentLength(binary.length);
                        response.setContentType(contentType);

                        try {
                            String userAgent = GitBlitRequestUtils.getServletRequest().getHeader("User-Agent");

                            if (userAgent != null && userAgent.indexOf("MSIE 5.5") > -1) {
                                response.setHeader("Content-Disposition",
                                        "filename=\"" + URLEncoder.encode(filename, Constants.ENCODING) + "\"");
                            } else if (userAgent != null && userAgent.indexOf("MSIE") > -1) {
                                response.setHeader("Content-Disposition", "attachment; filename=\""
                                        + URLEncoder.encode(filename, Constants.ENCODING) + "\"");
                            } else {
                                response.setHeader("Content-Disposition", "attachment; filename=\""
                                        + new String(filename.getBytes(Constants.ENCODING), "latin1") + "\"");
                            }
                        } catch (UnsupportedEncodingException e) {
                            response.setHeader("Content-Disposition",
                                    "attachment; filename=\"" + filename + "\"");
                        }

                        try {
                            response.getOutputStream().write(binary);
                        } catch (IOException e) {
                            logger.error("Failed to write binary response", e);
                        }
                        break;
                    default:
                        // plain text
                        String content = JGitUtils.getStringContent(r, commit.getTree(), blobPath, encodings);
                        if (content == null) {
                            logger.error(blobNotFound);
                            throw new AbortWithHttpErrorCodeException(HttpServletResponse.SC_NOT_FOUND,
                                    blobNotFound);
                        }
                        contentType = "text/plain; charset=UTF-8";
                        response.setContentType(contentType);
                        try {
                            response.getOutputStream().write(content.getBytes("UTF-8"));
                        } catch (Exception e) {
                            logger.error("Failed to write text response", e);
                        }
                    }

                } else {
                    // plain text
                    String content = JGitUtils.getStringContent(r, commit.getTree(), blobPath, encodings);
                    if (content == null) {
                        logger.error(blobNotFound);
                        throw new AbortWithHttpErrorCodeException(HttpServletResponse.SC_NOT_FOUND,
                                blobNotFound);
                    }
                    contentType = "text/plain; charset=UTF-8";
                    response.setContentType(contentType);
                    try {
                        response.getOutputStream().write(content.getBytes("UTF-8"));
                    } catch (Exception e) {
                        logger.error("Failed to write text response", e);
                    }
                }
            }
            r.close();
        }

        @Override
        public void detach(IRequestCycle requestCycle) {
            // TODO Auto-generated method stub

        }

    });

}

---

From source file:com.googlecode.wicket.jquery.ui.calendar.CalendarModelBehavior.java

License:Apache License

/**
 * Gets the new {@link IRequestHandler} that will respond the list of {@link CalendarEvent} in a json format
 *
 * @return the {@link IRequestHandler}/*  w ww . j  av a 2  s.  c o  m*/
 */
private IRequestHandler newRequestHandler() {
    return new IRequestHandler() {
        @Override
        public void respond(final IRequestCycle requestCycle) {
            WebResponse response = (WebResponse) requestCycle.getResponse();

            final String encoding = Application.get().getRequestCycleSettings().getResponseRequestEncoding();
            response.setContentType("text/json; charset=" + encoding);
            response.disableCaching();

            if (model != null) {
                List<? extends CalendarEvent> list = model.getObject(); // calls load()

                if (list != null) {
                    StringBuilder builder = new StringBuilder("[ ");

                    int count = 0;
                    for (CalendarEvent event : list) {
                        if (model instanceof ICalendarVisitor) {
                            event.accept((ICalendarVisitor) model); //last chance to set options
                        }

                        if (count++ > 0) {
                            builder.append(", ");
                        }
                        builder.append(event.toString());
                    }

                    builder.append(" ]");

                    LOG.debug(builder.toString());
                    response.write(builder);
                }
            }
        }

        @Override
        public void detach(final IRequestCycle requestCycle) {
        }
    };
}

---

From source file:com.googlecode.wicket.jquery.ui.form.autocomplete.AutoCompleteSourceBehavior.java

License:Apache License

/**
 * Gets a new {@link IRequestHandler} that will call {@link #getChoices(String)} and will build be JSON response corresponding to the specified 'input' argument.
 * @param input user input/*  w w w .  j a  va2  s.  c  o m*/
 * @return a new {@link IRequestHandler}
 */
private IRequestHandler newRequestHandler(final String input) {
    return new IRequestHandler() {
        @Override
        public void respond(final IRequestCycle requestCycle) {
            WebResponse response = (WebResponse) requestCycle.getResponse();

            final String encoding = Application.get().getRequestCycleSettings().getResponseRequestEncoding();
            response.setContentType("text/json; charset=" + encoding);
            response.disableCaching();

            List<T> choices = AutoCompleteSourceBehavior.this.getChoices(input);
            List<String> properties = AutoCompleteSourceBehavior.this.getProperties();

            if (choices != null) {
                StringBuilder builder = new StringBuilder("[ ");

                int index = 0;
                for (T choice : choices) {
                    if (index++ > 0) {
                        builder.append(", ");
                    }

                    builder.append("{ ");
                    builder.append(Options.QUOTE).append("id").append(Options.QUOTE).append(": ")
                            .append(Options.QUOTE).append(Integer.toString(index))
                            .append(Options.QUOTE); /* id is a reserved word */
                    builder.append(", ");
                    builder.append(Options.QUOTE).append("value").append(Options.QUOTE).append(": ")
                            .append(Options.QUOTE).append(renderer.getText(choice))
                            .append(Options.QUOTE); /* value is a reserved word */

                    if (properties != null) {
                        for (String property : properties) {
                            builder.append(", ");
                            builder.append(Options.QUOTE).append(property).append(Options.QUOTE).append(": ")
                                    .append(Options.QUOTE).append(renderer.getText(choice, property))
                                    .append(Options.QUOTE);
                        }
                    }

                    builder.append(" }");
                }

                builder.append(" ]");

                response.write(builder);
            }
        }

        @Override
        public void detach(final IRequestCycle requestCycle) {
        }
    };
}

---

From source file:com.googlecode.wicket.jquery.ui.kendo.datatable.DataSourceBehavior.java

License:Apache License

/**
 * Gets the new {@link IRequestHandler} that will respond the data in a json format
 *
 * @param first the first row number//w ww . ja  va2  s  . co  m
 * @param count the count of rows
 * @return a new {@link IRequestHandler}
 */
private IRequestHandler newRequestHandler(final int first, final int count) {
    return new IRequestHandler() {
        @Override
        public void respond(final IRequestCycle requestCycle) {
            WebResponse response = (WebResponse) requestCycle.getResponse();

            final String encoding = Application.get().getRequestCycleSettings().getResponseRequestEncoding();
            response.setContentType("text/json; charset=" + encoding);
            response.disableCaching();

            final long size = provider.size();
            final Iterator<? extends T> iterator = provider.iterator(first, count);

            // builds JSON result //
            StringBuilder builder = new StringBuilder();

            builder.append("{ ");
            builder.append(Options.QUOTE).append("__count").append(Options.QUOTE).append(": ").append(size)
                    .append(", ");
            builder.append(Options.QUOTE).append("results").append(Options.QUOTE).append(": ");
            builder.append("[ ");

            for (int index = 0; iterator.hasNext(); index++) {
                if (index > 0) {
                    builder.append(", ");
                }

                builder.append(DataSourceBehavior.this.newJsonRow(iterator.next()));
            }

            builder.append(" ] }");

            response.write(builder);
        }

        @Override
        public void detach(final IRequestCycle requestCycle) {
        }
    };
}

---

From source file:com.googlecode.wicket.kendo.ui.behavior.ChoiceModelBehavior.java

License:Apache License

/**
 * Get a new {@link IRequestHandler}//from   ww w  . ja  v  a 2s .  c  o  m
 * @return a new {@link IRequestHandler}
 */
protected IRequestHandler newRequestHandler() {
    return new IRequestHandler() {

        @Override
        public void respond(final IRequestCycle requestCycle) {
            WebResponse response = (WebResponse) requestCycle.getResponse();

            final String encoding = Application.get().getRequestCycleSettings().getResponseRequestEncoding();
            response.setContentType("application/json; charset=" + encoding);
            response.disableCaching();

            List<T> list = ChoiceModelBehavior.this.getChoices();

            if (list != null) {
                int count = 0;
                StringBuilder builder = new StringBuilder("[");

                for (T object : list) {
                    if (count++ > 0) {
                        builder.append(",");
                    }

                    builder.append(ChoiceModelBehavior.this.renderer.toJson(object));
                }

                builder.append("]");

                response.write(builder);
            }
        }

        @Override
        public void detach(final IRequestCycle requestCycle) {
            // noop
        }
    };
}

---

From source file:com.googlecode.wicket.kendo.ui.datatable.DataProviderBehavior.java

License:Apache License

/**
 * Gets the new {@link IRequestHandler} that will respond the data in a json format
 *
 * @param first the first row number/*from   w  ww .  jav a  2s  . c  om*/
 * @param count the count of rows
 * @return a new {@code IRequestHandler}
 */
private IRequestHandler newRequestHandler(final int first, final int count) {
    return new IRequestHandler() {

        @Override
        public void respond(final IRequestCycle requestCycle) {
            WebResponse response = (WebResponse) requestCycle.getResponse();

            final String encoding = Application.get().getRequestCycleSettings().getResponseRequestEncoding();
            response.setContentType("application/json; charset=" + encoding);
            response.disableCaching();

            final long size = provider.size();
            final Iterator<? extends T> iterator = provider.iterator(first, count);

            // builds JSON result //
            StringBuilder builder = new StringBuilder();

            builder.append("{ ");
            BuilderUtils.append(builder, "__count", size);
            builder.append(", ");
            builder.append(Options.QUOTE).append("results").append(Options.QUOTE).append(": ");
            builder.append("[ ");

            if (iterator != null) {
                for (int index = 0; iterator.hasNext(); index++) {
                    if (index > 0) {
                        builder.append(", ");
                    }

                    builder.append(DataProviderBehavior.this.newJsonRow(iterator.next()));
                }
            }

            builder.append(" ] }");

            response.write(builder);
        }

        @Override
        public void detach(final IRequestCycle requestCycle) {
            provider.detach();
        }
    };
}

---

From source file:com.googlecode.wicket.kendo.ui.datatable.DataSourceBehavior.java

License:Apache License

/**
 * Gets the new {@link IRequestHandler} that will respond the data in a json format
 *
 * @param first the first row number/*from   w  ww .j  a  va2  s  . co m*/
 * @param count the count of rows
 * @return a new {@link IRequestHandler}
 */
private IRequestHandler newRequestHandler(final int first, final int count) {
    return new IRequestHandler() {

        @Override
        public void respond(final IRequestCycle requestCycle) {
            WebResponse response = (WebResponse) requestCycle.getResponse();

            final String encoding = Application.get().getRequestCycleSettings().getResponseRequestEncoding();
            response.setContentType("text/json; charset=" + encoding);
            response.disableCaching();

            final long size = provider.size();
            final Iterator<? extends T> iterator = provider.iterator(first, count);

            // builds JSON result //
            StringBuilder builder = new StringBuilder();

            builder.append("{ ");
            builder.append(Options.QUOTE).append("__count").append(Options.QUOTE).append(": ").append(size)
                    .append(", ");
            builder.append(Options.QUOTE).append("results").append(Options.QUOTE).append(": ");
            builder.append("[ ");

            for (int index = 0; iterator.hasNext(); index++) {
                if (index > 0) {
                    builder.append(", ");
                }

                builder.append(DataSourceBehavior.this.newJsonRow(iterator.next()));
            }

            builder.append(" ] }");

            response.write(builder);
        }

        @Override
        public void detach(final IRequestCycle requestCycle) {
            provider.detach();
        }
    };
}

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