Examples with JsonGenerator com.fasterxml.jackson.core.JsonGenerator used on opensource projects

Example 86 with JsonGenerator

use of com.fasterxml.jackson.core.JsonGenerator in project geode by apache.

the class PdxToJSON method getJSONByteArray.

public byte[] getJSONByteArray() {
    JsonFactory jf = new JsonFactory();
    HeapDataOutputStream hdos = new HeapDataOutputStream(org.apache.geode.internal.Version.CURRENT);
    try {
        JsonGenerator jg = jf.createJsonGenerator(hdos, JsonEncoding.UTF8);
        enableDisableJSONGeneratorFeature(jg);
        getJSONString(jg, m_pdxInstance);
        jg.close();
        return hdos.toByteArray();
    } catch (IOException e) {
        throw new RuntimeException(e.getMessage());
    } finally {
        hdos.close();
    }
}

Example 87 with JsonGenerator

use of com.fasterxml.jackson.core.JsonGenerator in project winery by eclipse.

the class VisualAppearanceResource method getConnectionTypeForJsPlumbData.

@GET
@ApiOperation(value = "@return JSON object to be used at jsPlumb.registerConnectionType('NAME', <data>)")
@Produces(MediaType.APPLICATION_JSON)
public Response getConnectionTypeForJsPlumbData() {
    JsonFactory jsonFactory = new JsonFactory();
    StringWriter sw = new StringWriter();
    try {
        JsonGenerator jg = jsonFactory.createGenerator(sw);
        jg.writeStartObject();
        jg.writeFieldName("connector");
        jg.writeString("Flowchart");
        jg.writeFieldName("paintStyle");
        jg.writeStartObject();
        jg.writeFieldName("lineWidth");
        jg.writeNumber(this.getLineWidth());
        jg.writeFieldName("strokeStyle");
        jg.writeObject(this.getColor());
        String dash = this.getDash();
        if (!StringUtils.isEmpty(dash)) {
            String dashStyle = null;
            switch(dash) {
                case "dotted":
                    dashStyle = "1 5";
                    break;
                case "dotted2":
                    dashStyle = "3 4";
                    break;
                case "plain":
                    // otherwise, "1 0" can be used
                    break;
            }
            if (dashStyle != null) {
                jg.writeStringField("dashstyle", dashStyle);
            }
        }
        jg.writeEndObject();
        jg.writeFieldName("hoverPaintStyle");
        jg.writeStartObject();
        jg.writeFieldName("strokeStyle");
        jg.writeObject(this.getHoverColor());
        jg.writeEndObject();
        jg.writeStringField("dash", getDash());
        jg.writeStringField("sourceArrowHead", this.getSourceArrowHead());
        jg.writeStringField("targetArrowHead", this.getTargetArrowHead());
        jg.writeStringField("color", this.getColor());
        jg.writeStringField("hoverColor", this.getHoverColor());
        // BEGIN: Overlays
        jg.writeFieldName("overlays");
        jg.writeStartArray();
        // source arrow head
        String head = this.getSourceArrowHead();
        if (!head.equals("none")) {
            jg.writeStartArray();
            jg.writeString(head);
            jg.writeStartObject();
            jg.writeFieldName("location");
            jg.writeNumber(0);
            // arrow should point towards the node and not away from it
            jg.writeFieldName("direction");
            jg.writeNumber(-1);
            jg.writeFieldName("width");
            jg.writeNumber(20);
            jg.writeFieldName("length");
            jg.writeNumber(12);
            jg.writeEndObject();
            jg.writeEndArray();
        }
        // target arrow head
        head = this.getTargetArrowHead();
        if (!head.equals("none")) {
            jg.writeStartArray();
            jg.writeString(head);
            jg.writeStartObject();
            jg.writeFieldName("location");
            jg.writeNumber(1);
            jg.writeFieldName("width");
            jg.writeNumber(20);
            jg.writeFieldName("length");
            jg.writeNumber(12);
            jg.writeEndObject();
            jg.writeEndArray();
        }
        // Type in brackets on the arrow
        jg.writeStartArray();
        jg.writeString("Label");
        jg.writeStartObject();
        jg.writeStringField("id", "label");
        jg.writeStringField("label", "(" + this.res.getName() + ")");
        jg.writeStringField("cssClass", "relationshipTypeLabel");
        jg.writeFieldName("location");
        jg.writeNumber(0.5);
        jg.writeEndObject();
        jg.writeEndArray();
        jg.writeEndArray();
        // END: Overlays
        jg.writeEndObject();
        jg.close();
    } catch (Exception e) {
        VisualAppearanceResource.LOGGER.error(e.getMessage(), e);
        return Response.status(Status.INTERNAL_SERVER_ERROR).entity(e).build();
    }
    String res = sw.toString();
    return Response.ok(res).build();
}

Example 88 with JsonGenerator

use of com.fasterxml.jackson.core.JsonGenerator in project CFLint by cflint.

the class JSONOutput method output.

/**
 * Output bug list in JSON format.
 */
public void output(final BugList bugList, final Writer writer, final CFLintStats stats) throws IOException {
    final BugCounts counts = stats.getCounts();
    final JsonFactory jsonF = new JsonFactory();
    final JsonGenerator jg = jsonF.createGenerator(writer);
    if (prettyPrint) {
        jg.useDefaultPrettyPrinter();
    }
    outputStart(stats, jg);
    outputStartIssues(jg);
    List<String> keys = new ArrayList<>(bugList.getBugList().keySet());
    Collections.sort(keys);
    for (final String key : keys) {
        List<BugInfo> currentList = bugList.getBugList().get(key);
        final Iterator<BugInfo> iterator = currentList.iterator();
        BugInfo bugInfo = iterator.hasNext() ? iterator.next() : null;
        BugInfo prevbugInfo;
        while (bugInfo != null) {
            final Levels severity = currentList.get(0).getSeverity();
            final String code = currentList.get(0).getMessageCode();
            outputStartIssue(jg, severity, code);
            do {
                outputLocation(jg, bugInfo);
                prevbugInfo = bugInfo;
                bugInfo = iterator.hasNext() ? iterator.next() : null;
            } while (bugInfo != null && isGrouped(prevbugInfo, bugInfo));
            outputCloseIssue(jg);
        }
    }
    outputCloseIssues(jg);
    outputCounts(stats, counts, jg);
    outputEnd(jg);
    writer.close();
}

Example 89 with JsonGenerator

use of com.fasterxml.jackson.core.JsonGenerator in project CzechIdMng by bcvsolutions.

the class IdentityReportExecutor method generateData.

@Override
protected IdmAttachmentDto generateData(RptReportDto report) {
    File temp = null;
    FileOutputStream outputStream = null;
    try {
        // prepare temp file for json stream
        temp = getAttachmentManager().createTempFile();
        outputStream = new FileOutputStream(temp);
        // write into json stream
        JsonGenerator jGenerator = getMapper().getFactory().createGenerator(outputStream, JsonEncoding.UTF8);
        try {
            // json will be array of identities
            jGenerator.writeStartArray();
            // form instance has useful methods to transform form values
            IdmFormInstanceDto formInstance = new IdmFormInstanceDto(report, getFormDefinition(), report.getFilter());
            // initialize filter by given form - transform to multi value map
            // => form attribute defined above will be automaticaly mapped to identity filter
            IdmIdentityFilter filter = new IdmIdentityFilter(formInstance.toMultiValueMap());
            // report extends long running task - show progress by count and counter lrt attributes
            counter = 0L;
            // find a first page of identities
            Pageable pageable = new PageRequest(0, 100, new Sort(Direction.ASC, IdmIdentity_.username.getName()));
            do {
                Page<IdmIdentityDto> identities = identityService.find(filter, pageable, IdmBasePermission.READ);
                if (count == null) {
                    // report extends long running task - show progress by count and counter lrt attributes
                    count = identities.getTotalElements();
                }
                boolean canContinue = true;
                for (Iterator<IdmIdentityDto> i = identities.iterator(); i.hasNext() && canContinue; ) {
                    // write single identity into json
                    getMapper().writeValue(jGenerator, i.next());
                    // 
                    // supports cancel report generating (report extends long running task)
                    ++counter;
                    canContinue = updateState();
                }
                // iterate while next page of identities is available
                pageable = identities.hasNext() && canContinue ? identities.nextPageable() : null;
            } while (pageable != null);
            // 
            // close array of identities
            jGenerator.writeEndArray();
        } finally {
            // close json stream
            jGenerator.close();
        }
        // save create temp file with array of identities in json as attachment
        return createAttachment(report, new FileInputStream(temp));
    } catch (IOException ex) {
        throw new ReportGenerateException(report.getName(), ex);
    } finally {
        // just for sure - jGenerator should close stream itself
        IOUtils.closeQuietly(outputStream);
        FileUtils.deleteQuietly(temp);
    }
}

Example 90 with JsonGenerator

use of com.fasterxml.jackson.core.JsonGenerator in project CzechIdMng by bcvsolutions.

the class IdentityReportExecutor method generateData.

@Override
protected IdmAttachmentDto generateData(RptReportDto report) {
    File temp = null;
    FileOutputStream outputStream = null;
    try {
        // prepare temp file for json stream
        temp = getAttachmentManager().createTempFile();
        outputStream = new FileOutputStream(temp);
        // write into json stream
        JsonGenerator jGenerator = getMapper().getFactory().createGenerator(outputStream, JsonEncoding.UTF8);
        try {
            // json will be array of identities
            jGenerator.writeStartArray();
            // form instance has useful methods to transform form values
            IdmFormInstanceDto formInstance = new IdmFormInstanceDto(report, getFormDefinition(), report.getFilter());
            // initialize filter by given form - transform to multi value map
            // => form attribute defined above will be automaticaly mapped to identity filter
            IdmIdentityFilter filter = new IdmIdentityFilter(formInstance.toMultiValueMap());
            // report extends long running task - show progress by count and counter lrt attributes
            counter = 0L;
            // find a first page of identities
            Pageable pageable = new PageRequest(0, 100, new Sort(Direction.ASC, IdmIdentity_.username.getName()));
            do {
                Page<IdmIdentityDto> identities = identityService.find(filter, pageable, IdmBasePermission.READ);
                if (count == null) {
                    // report extends long running task - show progress by count and counter lrt attributes
                    count = identities.getTotalElements();
                }
                boolean canContinue = true;
                for (Iterator<IdmIdentityDto> i = identities.iterator(); i.hasNext() && canContinue; ) {
                    // write single identity into json
                    getMapper().writeValue(jGenerator, i.next());
                    // 
                    // supports cancel report generating (report extends long running task)
                    ++counter;
                    canContinue = updateState();
                }
                // iterate while next page of identities is available
                pageable = identities.hasNext() && canContinue ? identities.nextPageable() : null;
            } while (pageable != null);
            // 
            // close array of identities
            jGenerator.writeEndArray();
        } finally {
            // close json stream
            jGenerator.close();
        }
        // save create temp file with array of identities in json as attachment
        return createAttachment(report, new FileInputStream(temp));
    } catch (IOException ex) {
        throw new ReportGenerateException(report.getName(), ex);
    } finally {
        // just for sure - jGenerator should close stream itself
        IOUtils.closeQuietly(outputStream);
        FileUtils.deleteQuietly(temp);
    }
}