Example usage for com.fasterxml.jackson.core JsonParser getCurrentLocation

Introduction

In this page you can find the example usage for com.fasterxml.jackson.core JsonParser getCurrentLocation.

Prototype

public abstract JsonLocation getCurrentLocation();

Source Link

Document

Method that returns location of the last processed character; usually for error reporting purposes.

Usage

From source file:org.eclipse.rdf4j.rio.rdfjson.RDFJSONParser.java

@Override
public void parse(final InputStream inputStream, final String baseUri)
        throws IOException, RDFParseException, RDFHandlerException {
    JsonParser jp = null;

    clear();//from   w w  w.ja  v  a2 s  .c  o  m

    try {
        if (this.rdfHandler != null) {
            this.rdfHandler.startRDF();
        }

        jp = RDFJSONUtility.JSON_FACTORY.createParser(new BOMInputStream(inputStream, false));
        rdfJsonToHandlerInternal(this.rdfHandler, this.valueFactory, jp);
    } catch (final IOException e) {
        if (jp != null) {
            reportFatalError("Found IOException during parsing", e, jp.getCurrentLocation());
        } else {
            reportFatalError(e);
        }
    } finally {
        clear();
        if (jp != null) {
            try {
                jp.close();
            } catch (final IOException e) {
                reportFatalError("Found exception while closing JSON parser", e, jp.getCurrentLocation());
            }
        }
    }
    if (this.rdfHandler != null) {
        this.rdfHandler.endRDF();
    }
}

From source file:org.eclipse.rdf4j.rio.rdfjson.RDFJSONParser.java

@Override
public void parse(final Reader reader, final String baseUri)
        throws IOException, RDFParseException, RDFHandlerException {
    JsonParser jp = null;

    clear();//from w w  w. j ava  2s.c o m

    try {
        if (this.rdfHandler != null) {
            this.rdfHandler.startRDF();
        }

        jp = RDFJSONUtility.JSON_FACTORY.createParser(reader);
        rdfJsonToHandlerInternal(rdfHandler, valueFactory, jp);
    } catch (final IOException e) {
        if (jp != null) {
            reportFatalError("Found IOException during parsing", e, jp.getCurrentLocation());
        } else {
            reportFatalError(e);
        }
    } finally {
        clear();
        if (jp != null) {
            try {
                jp.close();
            } catch (final IOException e) {
                reportFatalError("Found exception while closing JSON parser", e, jp.getCurrentLocation());
            }
        }
    }
    if (rdfHandler != null) {
        rdfHandler.endRDF();
    }
}

From source file:org.eclipse.rdf4j.rio.rdfjson.RDFJSONParser.java

private void rdfJsonToHandlerInternal(final RDFHandler handler, final ValueFactory vf, final JsonParser jp)
        throws IOException, JsonParseException, RDFParseException, RDFHandlerException {
    if (jp.nextToken() != JsonToken.START_OBJECT) {
        reportFatalError("Expected RDF/JSON document to start with an Object", jp.getCurrentLocation());
    }//  www  .  j  a v a2s  .c om

    while (jp.nextToken() != JsonToken.END_OBJECT) {
        final String subjStr = jp.getCurrentName();
        Resource subject = null;

        subject = subjStr.startsWith("_:") ? createNode(subjStr.substring(2)) : vf.createIRI(subjStr);
        if (jp.nextToken() != JsonToken.START_OBJECT) {
            reportFatalError("Expected subject value to start with an Object", jp.getCurrentLocation());
        }

        boolean foundPredicate = false;
        while (jp.nextToken() != JsonToken.END_OBJECT) {
            final String predStr = jp.getCurrentName();

            final IRI predicate = vf.createIRI(predStr);
            foundPredicate = true;

            if (jp.nextToken() != JsonToken.START_ARRAY) {
                reportFatalError("Expected predicate value to start with an array", jp.getCurrentLocation());
            }

            boolean foundObject = false;

            while (jp.nextToken() != JsonToken.END_ARRAY) {
                if (jp.getCurrentToken() != JsonToken.START_OBJECT) {
                    reportFatalError("Expected object value to start with an Object: subject=<" + subjStr
                            + "> predicate=<" + predStr + ">", jp.getCurrentLocation());
                }

                String nextValue = null;
                String nextType = null;
                String nextDatatype = null;
                String nextLanguage = null;
                final Set<String> nextContexts = new HashSet<String>(2);

                while (jp.nextToken() != JsonToken.END_OBJECT) {
                    final String fieldName = jp.getCurrentName();
                    if (RDFJSONUtility.VALUE.equals(fieldName)) {
                        if (nextValue != null) {
                            reportError(
                                    "Multiple values found for a single object: subject=" + subjStr
                                            + " predicate=" + predStr,
                                    jp.getCurrentLocation(),
                                    RDFJSONParserSettings.FAIL_ON_MULTIPLE_OBJECT_VALUES);
                        }

                        jp.nextToken();

                        nextValue = jp.getText();
                    } else if (RDFJSONUtility.TYPE.equals(fieldName)) {
                        if (nextType != null) {
                            reportError(
                                    "Multiple types found for a single object: subject=" + subjStr
                                            + " predicate=" + predStr,
                                    jp.getCurrentLocation(),
                                    RDFJSONParserSettings.FAIL_ON_MULTIPLE_OBJECT_TYPES);
                        }

                        jp.nextToken();

                        nextType = jp.getText();
                    } else if (RDFJSONUtility.LANG.equals(fieldName)) {
                        if (nextLanguage != null) {
                            reportError(
                                    "Multiple languages found for a single object: subject=" + subjStr
                                            + " predicate=" + predStr,
                                    jp.getCurrentLocation(),
                                    RDFJSONParserSettings.FAIL_ON_MULTIPLE_OBJECT_LANGUAGES);
                        }

                        jp.nextToken();

                        nextLanguage = jp.getText();
                    } else if (RDFJSONUtility.DATATYPE.equals(fieldName)) {
                        if (nextDatatype != null) {
                            reportError(
                                    "Multiple datatypes found for a single object: subject=" + subjStr
                                            + " predicate=" + predStr,
                                    jp.getCurrentLocation(),
                                    RDFJSONParserSettings.FAIL_ON_MULTIPLE_OBJECT_DATATYPES);
                        }

                        jp.nextToken();

                        nextDatatype = jp.getText();
                    } else if (RDFJSONUtility.GRAPHS.equals(fieldName)) {
                        if (jp.nextToken() != JsonToken.START_ARRAY) {
                            reportError("Expected graphs to start with an array", jp.getCurrentLocation(),
                                    RDFJSONParserSettings.SUPPORT_GRAPHS_EXTENSION);
                        }

                        while (jp.nextToken() != JsonToken.END_ARRAY) {
                            final String nextGraph = jp.getText();
                            nextContexts.add(nextGraph);
                        }
                    } else {
                        reportError(
                                "Unrecognised JSON field name for object: subject=" + subjStr + " predicate="
                                        + predStr + " fieldname=" + fieldName,
                                jp.getCurrentLocation(), RDFJSONParserSettings.FAIL_ON_UNKNOWN_PROPERTY);
                    }
                }

                Value object = null;

                if (nextType == null) {
                    reportFatalError("No type for object: subject=" + subjStr + " predicate=" + predStr,
                            jp.getCurrentLocation());
                }

                if (nextValue == null) {
                    reportFatalError("No value for object: subject=" + subjStr + " predicate=" + predStr,
                            jp.getCurrentLocation());
                }

                if (RDFJSONUtility.LITERAL.equals(nextType)) {
                    if (nextLanguage != null) {
                        object = this.createLiteral(nextValue, nextLanguage, null, jp.getCurrentLocation());
                    } else if (nextDatatype != null) {
                        object = this.createLiteral(nextValue, null, this.createURI(nextDatatype),
                                jp.getCurrentLocation());
                    } else {
                        object = this.createLiteral(nextValue, null, null, jp.getCurrentLocation());
                    }
                } else if (RDFJSONUtility.BNODE.equals(nextType)) {
                    if (nextLanguage != null) {
                        reportFatalError("Language was attached to a blank node object: subject=" + subjStr
                                + " predicate=" + predStr, jp.getCurrentLocation());
                    }
                    if (nextDatatype != null) {
                        reportFatalError("Datatype was attached to a blank node object: subject=" + subjStr
                                + " predicate=" + predStr, jp.getCurrentLocation());
                    }
                    object = createNode(nextValue.substring(2));
                } else if (RDFJSONUtility.URI.equals(nextType)) {
                    if (nextLanguage != null) {
                        reportFatalError("Language was attached to a uri object: subject=" + subjStr
                                + " predicate=" + predStr, jp.getCurrentLocation());
                    }
                    if (nextDatatype != null) {
                        reportFatalError("Datatype was attached to a uri object: subject=" + subjStr
                                + " predicate=" + predStr, jp.getCurrentLocation());
                    }
                    object = vf.createIRI(nextValue);
                }
                foundObject = true;

                if (!nextContexts.isEmpty()) {
                    for (final String nextContext : nextContexts) {
                        final Resource context;

                        if (nextContext.equals(RDFJSONUtility.NULL)) {
                            context = null;
                        } else if (nextContext.startsWith("_:")) {
                            context = createNode(nextContext.substring(2));
                        } else {
                            context = vf.createIRI(nextContext);
                        }
                        Statement st = vf.createStatement(subject, predicate, object, context);
                        if (handler != null) {
                            handler.handleStatement(st);
                        }
                    }
                } else {
                    Statement st = vf.createStatement(subject, predicate, object);
                    if (handler != null) {
                        handler.handleStatement(st);
                    }
                }

            }
            if (!foundObject) {
                reportFatalError("No object for predicate: subject=" + subjStr + " predicate=" + predStr,
                        jp.getCurrentLocation());
            }
        }

        if (!foundPredicate) {
            reportFatalError("No predicate for object: subject=" + subjStr, jp.getCurrentLocation());
        }
    }
}

From source file:org.openrdf.rio.rdfjson.RDFJSONParser.java

@Override
public void parse(final InputStream inputStream, final String baseUri)
        throws IOException, RDFParseException, RDFHandlerException {
    if (this.rdfHandler != null) {
        this.rdfHandler.startRDF();
    }//from  w w  w  .jav  a 2s.  c o m

    JsonParser jp = null;

    try {
        jp = RDFJSONUtility.JSON_FACTORY.createParser(new BOMInputStream(inputStream, false));
        rdfJsonToHandlerInternal(this.rdfHandler, this.valueFactory, jp);
    } catch (final IOException e) {
        if (jp != null) {
            reportFatalError("Found IOException during parsing", e, jp.getCurrentLocation());
        } else {
            reportFatalError(e);
        }
    } finally {
        clear();
        if (jp != null) {
            try {
                jp.close();
            } catch (final IOException e) {
                reportFatalError("Found exception while closing JSON parser", e, jp.getCurrentLocation());
            }
        }
    }
    if (this.rdfHandler != null) {
        this.rdfHandler.endRDF();
    }
}

From source file:org.openrdf.rio.rdfjson.RDFJSONParser.java

@Override
public void parse(final Reader reader, final String baseUri)
        throws IOException, RDFParseException, RDFHandlerException {
    if (rdfHandler == null) {
        rdfHandler.startRDF();/*from  w  ww .ja v a  2 s  .  c om*/
    }
    JsonParser jp = null;

    try {
        jp = RDFJSONUtility.JSON_FACTORY.createParser(reader);
        rdfJsonToHandlerInternal(rdfHandler, valueFactory, jp);
    } catch (final IOException e) {
        if (jp != null) {
            reportFatalError("Found IOException during parsing", e, jp.getCurrentLocation());
        } else {
            reportFatalError(e);
        }
    } finally {
        if (jp != null) {
            try {
                jp.close();
            } catch (final IOException e) {
                reportFatalError("Found exception while closing JSON parser", e, jp.getCurrentLocation());
            }
        }
    }
    if (rdfHandler != null) {
        rdfHandler.endRDF();
    }
}

From source file:org.openrdf.rio.rdfjson.RDFJSONParser.java

private void rdfJsonToHandlerInternal(final RDFHandler handler, final ValueFactory vf, final JsonParser jp)
        throws IOException, JsonParseException, RDFParseException, RDFHandlerException {
    if (jp.nextToken() != JsonToken.START_OBJECT) {
        reportFatalError("Expected RDF/JSON document to start with an Object", jp.getCurrentLocation());
    }/*from   w  ww  .ja v  a2  s.  com*/

    while (jp.nextToken() != JsonToken.END_OBJECT) {
        final String subjStr = jp.getCurrentName();
        Resource subject = null;

        subject = subjStr.startsWith("_:") ? vf.createBNode(subjStr.substring(2)) : vf.createIRI(subjStr);
        if (jp.nextToken() != JsonToken.START_OBJECT) {
            reportFatalError("Expected subject value to start with an Object", jp.getCurrentLocation());
        }

        boolean foundPredicate = false;
        while (jp.nextToken() != JsonToken.END_OBJECT) {
            final String predStr = jp.getCurrentName();

            final IRI predicate = vf.createIRI(predStr);
            foundPredicate = true;

            if (jp.nextToken() != JsonToken.START_ARRAY) {
                reportFatalError("Expected predicate value to start with an array", jp.getCurrentLocation());
            }

            boolean foundObject = false;

            while (jp.nextToken() != JsonToken.END_ARRAY) {
                if (jp.getCurrentToken() != JsonToken.START_OBJECT) {
                    reportFatalError("Expected object value to start with an Object: subject=<" + subjStr
                            + "> predicate=<" + predStr + ">", jp.getCurrentLocation());
                }

                String nextValue = null;
                String nextType = null;
                String nextDatatype = null;
                String nextLanguage = null;
                final Set<String> nextContexts = new HashSet<String>(2);

                while (jp.nextToken() != JsonToken.END_OBJECT) {
                    final String fieldName = jp.getCurrentName();
                    if (RDFJSONUtility.VALUE.equals(fieldName)) {
                        if (nextValue != null) {
                            reportError(
                                    "Multiple values found for a single object: subject=" + subjStr
                                            + " predicate=" + predStr,
                                    jp.getCurrentLocation(),
                                    RDFJSONParserSettings.FAIL_ON_MULTIPLE_OBJECT_VALUES);
                        }

                        jp.nextToken();

                        nextValue = jp.getText();
                    } else if (RDFJSONUtility.TYPE.equals(fieldName)) {
                        if (nextType != null) {
                            reportError(
                                    "Multiple types found for a single object: subject=" + subjStr
                                            + " predicate=" + predStr,
                                    jp.getCurrentLocation(),
                                    RDFJSONParserSettings.FAIL_ON_MULTIPLE_OBJECT_TYPES);
                        }

                        jp.nextToken();

                        nextType = jp.getText();
                    } else if (RDFJSONUtility.LANG.equals(fieldName)) {
                        if (nextLanguage != null) {
                            reportError(
                                    "Multiple languages found for a single object: subject=" + subjStr
                                            + " predicate=" + predStr,
                                    jp.getCurrentLocation(),
                                    RDFJSONParserSettings.FAIL_ON_MULTIPLE_OBJECT_LANGUAGES);
                        }

                        jp.nextToken();

                        nextLanguage = jp.getText();
                    } else if (RDFJSONUtility.DATATYPE.equals(fieldName)) {
                        if (nextDatatype != null) {
                            reportError(
                                    "Multiple datatypes found for a single object: subject=" + subjStr
                                            + " predicate=" + predStr,
                                    jp.getCurrentLocation(),
                                    RDFJSONParserSettings.FAIL_ON_MULTIPLE_OBJECT_DATATYPES);
                        }

                        jp.nextToken();

                        nextDatatype = jp.getText();
                    } else if (RDFJSONUtility.GRAPHS.equals(fieldName)) {
                        if (jp.nextToken() != JsonToken.START_ARRAY) {
                            reportError("Expected graphs to start with an array", jp.getCurrentLocation(),
                                    RDFJSONParserSettings.SUPPORT_GRAPHS_EXTENSION);
                        }

                        while (jp.nextToken() != JsonToken.END_ARRAY) {
                            final String nextGraph = jp.getText();
                            nextContexts.add(nextGraph);
                        }
                    } else {
                        reportError(
                                "Unrecognised JSON field name for object: subject=" + subjStr + " predicate="
                                        + predStr + " fieldname=" + fieldName,
                                jp.getCurrentLocation(), RDFJSONParserSettings.FAIL_ON_UNKNOWN_PROPERTY);
                    }
                }

                Value object = null;

                if (nextType == null) {
                    reportFatalError("No type for object: subject=" + subjStr + " predicate=" + predStr,
                            jp.getCurrentLocation());
                }

                if (nextValue == null) {
                    reportFatalError("No value for object: subject=" + subjStr + " predicate=" + predStr,
                            jp.getCurrentLocation());
                }

                if (RDFJSONUtility.LITERAL.equals(nextType)) {
                    if (nextLanguage != null) {
                        object = this.createLiteral(nextValue, nextLanguage, null, jp.getCurrentLocation());
                    } else if (nextDatatype != null) {
                        object = this.createLiteral(nextValue, null, this.createURI(nextDatatype),
                                jp.getCurrentLocation());
                    } else {
                        object = this.createLiteral(nextValue, null, null, jp.getCurrentLocation());
                    }
                } else if (RDFJSONUtility.BNODE.equals(nextType)) {
                    if (nextLanguage != null) {
                        reportFatalError("Language was attached to a blank node object: subject=" + subjStr
                                + " predicate=" + predStr, jp.getCurrentLocation());
                    }
                    if (nextDatatype != null) {
                        reportFatalError("Datatype was attached to a blank node object: subject=" + subjStr
                                + " predicate=" + predStr, jp.getCurrentLocation());
                    }
                    object = vf.createBNode(nextValue.substring(2));
                } else if (RDFJSONUtility.URI.equals(nextType)) {
                    if (nextLanguage != null) {
                        reportFatalError("Language was attached to a uri object: subject=" + subjStr
                                + " predicate=" + predStr, jp.getCurrentLocation());
                    }
                    if (nextDatatype != null) {
                        reportFatalError("Datatype was attached to a uri object: subject=" + subjStr
                                + " predicate=" + predStr, jp.getCurrentLocation());
                    }
                    object = vf.createIRI(nextValue);
                }
                foundObject = true;

                if (!nextContexts.isEmpty()) {
                    for (final String nextContext : nextContexts) {
                        final Resource context = nextContext.equals(RDFJSONUtility.NULL) ? null
                                : vf.createIRI(nextContext);
                        Statement st = vf.createStatement(subject, predicate, object, context);
                        if (handler != null) {
                            handler.handleStatement(st);
                        }
                    }
                } else {
                    Statement st = vf.createStatement(subject, predicate, object);
                    if (handler != null) {
                        handler.handleStatement(st);
                    }
                }

            }
            if (!foundObject) {
                reportFatalError("No object for predicate: subject=" + subjStr + " predicate=" + predStr,
                        jp.getCurrentLocation());
            }
        }

        if (!foundPredicate) {
            reportFatalError("No predicate for object: subject=" + subjStr, jp.getCurrentLocation());
        }
    }
}

From source file:org.sead.repositories.reference.RefRepository.java

private static void report(JsonParser jp, JsonToken token) {
    boolean struct = token.isStructStart() || token.isStructEnd();
    try {/*w  w w  . j  av a 2  s.co m*/
        String tag = struct ? token.asString() : jp.getText();
        log.trace("Tag: " + tag);
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

    long currentOffset = jp.getCurrentLocation().getByteOffset();
    long tokenOffset = jp.getTokenLocation().getByteOffset();
    log.trace("Cur: " + currentOffset + " tok: " + tokenOffset);
}