All Downloads are FREE. Search and download functionalities are using the official Maven repository.
Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $
You can buy this project and download/modify it how often you want.
com.hazelcast.com.esri.core.geometry.JsonStringWriter Maven / Gradle / Ivy
/*
Copyright 1995-2015 Esri
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
For additional information, contact:
Environmental Systems Research Institute, Inc.
Attn: Contracts Dept
380 New York Street
Redlands, California, USA 92373
email: [email protected]
*/
package com.hazelcast.com.esri.core.geometry;
final class JsonStringWriter extends JsonWriter {
@Override
Object getJson() {
next_(Action.accept);
return m_jsonString.toString();
}
@Override
void startObject() {
next_(Action.addObject);
m_jsonString.append('{');
m_functionStack.add(State.objectStart);
}
@Override
void startArray() {
next_(Action.addArray);
m_jsonString.append('[');
m_functionStack.add(State.arrayStart);
}
@Override
void endObject() {
next_(Action.popObject);
m_jsonString.append('}');
}
@Override
void endArray() {
next_(Action.popArray);
m_jsonString.append(']');
}
@Override
void addFieldName(String fieldName) {
next_(Action.addKey);
appendQuote_(fieldName);
}
@Override
void addPairObject(String fieldName) {
next_(Action.addPair);
appendQuote_(fieldName);
m_jsonString.append(":");
addValueObject_();
}
@Override
void addPairArray(String fieldName) {
next_(Action.addPair);
appendQuote_(fieldName);
m_jsonString.append(":");
addValueArray_();
}
@Override
void addPairString(String fieldName, String v) {
next_(Action.addPair);
appendQuote_(fieldName);
m_jsonString.append(":");
addValueString_(v);
}
@Override
void addPairDouble(String fieldName, double v) {
next_(Action.addPair);
appendQuote_(fieldName);
m_jsonString.append(":");
addValueDouble_(v);
}
@Override
void addPairDouble(String fieldName, double v, int precision, boolean bFixedPoint) {
next_(Action.addPair);
appendQuote_(fieldName);
m_jsonString.append(":");
addValueDouble_(v, precision, bFixedPoint);
}
@Override
void addPairInt(String fieldName, int v) {
next_(Action.addPair);
appendQuote_(fieldName);
m_jsonString.append(":");
addValueInt_(v);
}
@Override
void addPairBoolean(String fieldName, boolean v) {
next_(Action.addPair);
appendQuote_(fieldName);
m_jsonString.append(":");
addValueBoolean_(v);
}
@Override
void addPairNull(String fieldName) {
next_(Action.addPair);
appendQuote_(fieldName);
m_jsonString.append(":");
addValueNull_();
}
@Override
void addValueObject() {
next_(Action.addObject);
addValueObject_();
}
@Override
void addValueArray() {
next_(Action.addArray);
addValueArray_();
}
@Override
void addValueString(String v) {
next_(Action.addTerminal);
addValueString_(v);
}
@Override
void addValueDouble(double v) {
next_(Action.addTerminal);
addValueDouble_(v);
}
@Override
void addValueDouble(double v, int precision, boolean bFixedPoint) {
next_(Action.addTerminal);
addValueDouble_(v, precision, bFixedPoint);
}
@Override
void addValueInt(int v) {
next_(Action.addTerminal);
addValueInt_(v);
}
@Override
void addValueBoolean(boolean v) {
next_(Action.addTerminal);
addValueBoolean_(v);
}
@Override
void addValueNull() {
next_(Action.addTerminal);
addValueNull_();
}
JsonStringWriter() {
m_jsonString = new StringBuilder();
m_functionStack = new AttributeStreamOfInt32(0);
m_functionStack.add(State.accept);
m_functionStack.add(State.start);
}
private StringBuilder m_jsonString;
private AttributeStreamOfInt32 m_functionStack;
private void addValueObject_() {
m_jsonString.append('{');
m_functionStack.add(State.objectStart);
}
private void addValueArray_() {
m_jsonString.append('[');
m_functionStack.add(State.arrayStart);
}
private void addValueString_(String v) {
appendQuote_(v);
}
private void addValueDouble_(double v) {
if (NumberUtils.isNaN(v)) {
addValueNull_();
return;
}
StringUtils.appendDouble(v, 17, m_jsonString);
}
private void addValueDouble_(double v, int precision, boolean bFixedPoint) {
if (NumberUtils.isNaN(v)) {
addValueNull_();
return;
}
if (bFixedPoint)
StringUtils.appendDoubleF(v, precision, m_jsonString);
else
StringUtils.appendDouble(v, precision, m_jsonString);
}
private void addValueInt_(int v) {
m_jsonString.append(v);
}
private void addValueBoolean_(boolean v) {
if (v) {
m_jsonString.append("true");
} else {
m_jsonString.append("false");
}
}
private void addValueNull_() {
m_jsonString.append("null");
}
private void next_(int action) {
switch (m_functionStack.getLast()) {
case State.accept:
accept_(action);
break;
case State.start:
start_(action);
break;
case State.objectStart:
objectStart_(action);
break;
case State.arrayStart:
arrayStart_(action);
break;
case State.pairEnd:
pairEnd_(action);
break;
case State.elementEnd:
elementEnd_(action);
break;
case State.fieldNameEnd:
fieldNameEnd_(action);
break;
default:
throw new GeometryException("internal error");
}
}
private void accept_(int action) {
if (action != Action.accept) {
throw new GeometryException("invalid call");
}
}
private void start_(int action) {
if ((action & Action.addContainer) != 0) {
m_functionStack.removeLast();
} else {
throw new GeometryException("invalid call");
}
}
private void objectStart_(int action) {
if (action != Action.popObject && action != Action.addPair && action != Action.addKey)
throw new GeometryException("invalid call");
m_functionStack.removeLast();
if (action == Action.addPair) {
m_functionStack.add(State.pairEnd);
} else if (action == Action.addKey) {
m_functionStack.add(State.pairEnd);
m_functionStack.add(State.fieldNameEnd);
}
}
private void pairEnd_(int action) {
if (action == Action.addPair) {
m_jsonString.append(',');
} else if (action == Action.addKey) {
m_jsonString.append(',');
m_functionStack.add(State.fieldNameEnd);
} else if (action == Action.popObject) {
m_functionStack.removeLast();
} else {
throw new GeometryException("invalid call");
}
}
private void arrayStart_(int action) {
if ((action & Action.addValue) == 0 && action != Action.popArray)
throw new GeometryException("invalid call");
m_functionStack.removeLast();
if ((action & Action.addValue) != 0) {
m_functionStack.add(State.elementEnd);
}
}
private void elementEnd_(int action) {
if ((action & Action.addValue) != 0) {
m_jsonString.append(',');
} else if (action == Action.popArray) {
m_functionStack.removeLast();
} else {
throw new GeometryException("invalid call");
}
}
private void fieldNameEnd_(int action) {
if ((action & Action.addValue) == 0)
throw new GeometryException("invalid call");
m_functionStack.removeLast();
m_jsonString.append(':');
}
private void appendQuote_(String string) {
int count = 0;
int start = 0;
int end = string.length();
m_jsonString.append('"');
for (int i = 0; i < end; i++) {
switch (string.charAt(i)) {
case '"':
if (count > 0) {
m_jsonString.append(string, start, start + count);
count = 0;
}
m_jsonString.append("\\\"");
start = i + 1;
break;
case '\\':
if (count > 0) {
m_jsonString.append(string, start, start + count);
count = 0;
}
m_jsonString.append("\\\\");
start = i + 1;
break;
case '/':
if (i > 0 && string.charAt(i - 1) == '<') {
if (count > 0) {
m_jsonString.append(string, start, start + count);
count = 0;
}
m_jsonString.append("\\/");
start = i + 1;
} else {
count++;
}
break;
case '\b':
if (count > 0) {
m_jsonString.append(string, start, start + count);
count = 0;
}
m_jsonString.append("\\b");
start = i + 1;
break;
case '\f':
if (count > 0) {
m_jsonString.append(string, start, start + count);
count = 0;
}
m_jsonString.append("\\f");
start = i + 1;
break;
case '\n':
if (count > 0) {
m_jsonString.append(string, start, start + count);
count = 0;
}
m_jsonString.append("\\n");
start = i + 1;
break;
case '\r':
if (count > 0) {
m_jsonString.append(string, start, start + count);
count = 0;
}
m_jsonString.append("\\r");
start = i + 1;
break;
case '\t':
if (count > 0) {
m_jsonString.append(string, start, start + count);
count = 0;
}
m_jsonString.append("\\t");
start = i + 1;
break;
default:
count++;
break;
}
}
if (count > 0) {
m_jsonString.append(string, start, start + count);
}
m_jsonString.append('"');
}
}
