net.jangaroo.jooc.json.JsonObject Maven / Gradle / Ivy
package net.jangaroo.jooc.json;
import net.jangaroo.utils.CompilerUtils;
import java.util.Arrays;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Set;
import java.util.regex.Pattern;
public class JsonObject implements Json {
static final String LINE_SEPARATOR = System.getProperty("line.separator");
public static final String NET_JANGAROO_EXT_CREATE = "net.jangaroo.ext.create";
private Map properties = new LinkedHashMap<>();
private String wrapperClass;
private String configClass;
public JsonObject(Object ... namesAndValues) {
if (namesAndValues.length % 2 != 0) {
throw new IllegalArgumentException("argument vector must be of even length, but is " + Arrays.asList(namesAndValues));
}
for (int i = 0; i < namesAndValues.length; i += 2) {
Object name = namesAndValues[i];
if (!(name instanceof String)) {
throw new IllegalArgumentException("property names must be strings, found '" + name + "'");
}
Object value = namesAndValues[i + 1];
properties.put((String)name, value);
}
}
public static Code code(final String code) {
return new CodeImpl(code);
}
public static void apply(JsonObject o1, JsonObject o2) {
o1.properties.putAll(o2.properties);
}
public static JsonObject merge(JsonObject ... toMerge) {
JsonObject result = new JsonObject();
for (JsonObject o : toMerge) {
apply(result, o);
}
return result;
}
public String getWrapperClass() {
return wrapperClass;
}
public JsonObject settingWrapperClass(String wrapperClass) {
this.wrapperClass = wrapperClass;
return this;
}
public boolean isEmpty() {
return properties.isEmpty();
}
@Override
public String toString() {
return toString(0);
}
/**
* Make a pretty-printed JSON text of this JSONObject.
*
* Warning: This method assumes that the data structure is acyclic.
*
* @param indentFactor The number of spaces to add to each level of
* indentation.
* @return a printable, displayable, portable, transmittable
* representation of the object, beginning
* with { (left brace) and ending
* with } (right brace).
*/
public String toString(int indentFactor) {
return toString(indentFactor, 0);
}
/**
* Make a prettyprinted JSON text of an object value.
*
* Warning: This method assumes that the data structure is acyclic.
*
*
* @param value The value to be serialized.
* @param indentFactor The number of spaces to add to each level of
* indentation.
* @param indent The indentation of the top level.
* @return a printable, displayable, transmittable
* representation of the object, beginning
* with { (left brace) and ending
* with } (right brace).
*/
public static String valueToString(Object value, int indentFactor, int indent) {
return valueToString(value, indentFactor, indent, false);
}
public static String valueToString(Object value, int indentFactor, int indent, boolean alwaysQuoteKeys) {
if (value == null) {
return "null";
}
if (value instanceof Number
|| value instanceof Boolean) {
return value.toString();
} else if (value instanceof JsonObject) {
return ((JsonObject)value).toString(indentFactor, indent, alwaysQuoteKeys);
} else if (value instanceof JsonArray) {
return ((JsonArray) value).toString(indentFactor, indent);
} else if (value instanceof Code) {
return ((Code)value).getCode().replaceAll("\n", LINE_SEPARATOR);
}
return CompilerUtils.quote(value.toString()).replaceAll("\n", LINE_SEPARATOR);
}
/**
* Make a prettyprinted JSON text of this JSONObject.
*
* Warning: This method assumes that the data structure is acyclical.
*
* @param indentFactor The number of spaces to add to each level of
* indentation.
* @param indent The indentation of the top level.
* @return a printable, displayable, transmittable
* representation of the object, beginning
* with { (left brace) and ending
* with } (right brace).
*/
public String toString(int indentFactor, int indent) {
return toString(indentFactor, indent, false);
}
public String stringify() {
return stringify(2);
}
public String stringify(int indentFactor) {
return toString(indentFactor, 0, true);
}
public String toString(int indentFactor, int indent, boolean alwaysQuoteKeys) {
Set keySet = this.properties.keySet();
StringBuilder sb = new StringBuilder();
if (wrapperClass != null) {
sb.append("new ").append(wrapperClass).append('(');
} else if(configClass != null) {
sb.append(NET_JANGAROO_EXT_CREATE).append('(').append(configClass).append(',');
}
sb.append("{");
int newindent = indent + indentFactor;
int n = keySet.size();
Iterator keys = keySet.iterator();
if (n == 1) {
writeKeyValue(keys.next(), indentFactor, indent, sb, alwaysQuoteKeys);
} else if (n > 1) {
boolean isFirstAttribute = true;
while (keys.hasNext()) {
if (isFirstAttribute) {
isFirstAttribute = false;
} else {
sb.append(",");
}
newlineAndIndent(sb, newindent);
writeKeyValue(keys.next(), indentFactor, newindent, sb, alwaysQuoteKeys);
}
if (sb.length() > 1) {
newlineAndIndent(sb, indent);
}
}
sb.append('}');
if (wrapperClass != null || configClass != null) {
sb.append(')');
}
return sb.toString();
}
private void newlineAndIndent(StringBuilder sb, int indent) {
if (indent < 0) {
return;
}
sb.append(LINE_SEPARATOR);
for (int i = 0; i < indent; i++) {
sb.append(' ');
}
}
private static final Pattern AS3_IDENTIFIER_PATTERN = Pattern.compile("(\\p{Alpha}|[$_])(\\p{Alnum}|[$_])*");
public static boolean isIdentifier(String str) {
return AS3_IDENTIFIER_PATTERN.matcher(str).matches();
}
private void writeKeyValue(String key, int indentFactor, int indent, StringBuilder sb, boolean alwaysQuoteKeys) {
if (alwaysQuoteKeys || !isIdentifier(key)) {
sb.append(CompilerUtils.quote(key));
} else {
sb.append(key);
}
sb.append(": ");
sb.append(valueToString(this.properties.get(key), indentFactor, indent, alwaysQuoteKeys));
}
public Object get(String property) {
return properties.get(property);
}
public void set(String property, Object value) {
this.properties.put(property, value);
}
public void add(JsonObject jsonObject) {
for (Map.Entry property : jsonObject.properties.entrySet()) {
set(property.getKey(), property.getValue());
}
}
public Object remove(String property) {
return this.properties.remove(property);
}
public void settingConfigClass(String fullName) {
this.configClass = fullName;
}
private static class CodeImpl implements Code {
private final String code;
public CodeImpl(String code) {
this.code = code;
}
@Override
public String getCode() {
return code;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
CodeImpl that = (CodeImpl) o;
return code.equals(that.code);
}
@Override
public int hashCode() {
return code.hashCode();
}
}
}