下面列出了android.util.JsonWriter#name ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
public void toJSON(JsonWriter writer) throws IOException {
writer.beginObject();
writer.name("qname").value(qname);
writer.name("server").value(server);
writer.name("qtype").value(qtype);
writer.name("qclass").value(qclass);
writer.name("protocol").value(protocol);
writer.name("flag_rd").value(flag_RD);
writer.name("flag_cd").value(flag_CD);
writer.name("flag_do").value(flag_DO);
writer.name("tcp").value(TCP);
writer.name("port").value(port);
writer.name("answer");
if(answer != null){
answer.toJSON(writer);
} else {
writer.nullValue();
}
writer.endObject();
}
private void toJsonTags(JsonWriter writer)throws IOException{
writer.name("tags");
writer.beginArray();
for(Tag t:getTags().getAllTagsSet())
t.writeJson(writer);
writer.endArray();
}
private void toJsonTitle(JsonWriter writer)throws IOException{
String title;
writer.name("title");
writer.beginObject();
if((title=getTitle(TitleType.JAPANESE))!=null)
writer.name("japanese").value(title);
if((title=getTitle(TitleType.PRETTY))!=null)
writer.name("pretty").value(title);
if((title=getTitle(TitleType.ENGLISH))!=null)
writer.name("english").value(title);
writer.endObject();
}
private void processSharedFromName(JsonWriter writer, Context context, String name)throws IOException{
writer.name(name);
writer.beginObject();
SharedPreferences preferences=context.getSharedPreferences(name,0);
for(Map.Entry<String,?> entry: preferences.getAll().entrySet()){
writeEntry(writer,entry);
}
writer.endObject();
}
private void writeEntry(JsonWriter writer, Map.Entry<String,?> entry)throws IOException {
writer.name(entry.getKey());
if(entry.getValue() instanceof Integer) writer.value((Integer)entry.getValue());
else if(entry.getValue() instanceof Boolean) writer.value((Boolean)entry.getValue());
else if(entry.getValue() instanceof String ) writer.value((String) entry.getValue());
else if(entry.getValue() instanceof Long ) writer.value((Long) entry.getValue());
}
@Test
public void testJsonWriter() throws Exception {
StringWriter sw = new StringWriter();
JsonWriter jw = new JsonWriter(sw);
jw.beginObject();
jw.name("test");
jw.value("world");
jw.endObject();
jw.flush();
assertEquals("{\"test\":\"world\"}", sw.toString());
}
@Test
public void testJsonWriter() throws Exception {
StringWriter sw = new StringWriter();
JsonWriter jw = new JsonWriter(sw);
jw.beginObject();
jw.name("test");
jw.value("world");
jw.endObject();
jw.flush();
assertEquals("{\"test\":\"world\"}", sw.toString());
}
private static String serializeDetails(
PaymentItem total, @Nullable List<PaymentItem> displayItems) {
StringWriter stringWriter = new StringWriter();
JsonWriter json = new JsonWriter(stringWriter);
try {
// details {{{
json.beginObject();
// total {{{
json.name("total");
serializePaymentItem(total, json);
// }}} total
// displayitems {{{
if (displayItems != null) {
json.name("displayItems").beginArray();
for (int i = 0; i < displayItems.size(); i++) {
serializePaymentItem(displayItems.get(i), json);
}
json.endArray();
}
// }}} displayItems
json.endObject();
// }}} details
} catch (IOException e) {
return null;
}
return stringWriter.toString();
}
private static void serializeModifier(PaymentDetailsModifier modifier, JsonWriter json)
throws IOException {
// {{{
json.beginObject();
// total {{{
if (modifier.total != null) {
json.name("total");
serializePaymentItem(modifier.total, json);
} else {
json.name("total").nullValue();
}
// }}} total
// supportedMethods {{{
json.name("supportedMethods").beginArray();
for (String method : modifier.methodData.supportedMethods) {
json.value(method);
}
json.endArray();
// }}} supportedMethods
// data {{{
json.name("data").value(modifier.methodData.stringifiedData);
// }}}
json.endObject();
// }}}
}
void writePlace(JsonWriter writer, Place place) throws IOException {
writer.beginObject();
writer.name("description").value(place.description);
writer.name("place_id").value(place.place_id);
writer.name("matched_substrings");
writeMatchedSubstringsArray(writer, place.matched_substrings);
writer.name("terms");
writeDescriptionTermsArray(writer, place.terms);
writer.name("types");
writePlaceTypesArray(writer, place.types);
writer.endObject();
}
@SuppressWarnings("deprecation")
private void addProperties(JsonWriter j, View v) throws IOException {
final Class<?> viewClass = v.getClass();
boolean processable = true;
for (final PropertyDescription desc : mProperties) {
if (desc.targetClass.isAssignableFrom(viewClass) && null != desc.accessor) {
final Object value = desc.accessor.applyMethod(v);
if (processable) {
if (!TextUtils.isEmpty(desc.name)) {
if ("clickable".equals(desc.name)) {
boolean isClickable = (Boolean) value;
if (!isClickable || v instanceof AbsListView || v instanceof AbsoluteLayout) {
processable = false;
}
} else if ("alpha".equals(desc.name)) {
float alpha = (Float) value;
// 透明度是0则不可见
if (alpha == 0) {
processable = false;
}
} else if ("hidden".equals(desc.name)) {
int hide = (Integer) value;
// hidden是0则隐藏
if (hide != 0) {
processable = false;
}
}
}
}
j.name("processable").value(processable ? "1" : "0");
if (null == value) {
// Don't produce anything in this case
} else if (value instanceof Number) {
j.name(desc.name).value((Number) value);
} else if (value instanceof Boolean) {
j.name(desc.name).value((Boolean) value);
} else if (value instanceof ColorStateList) {
j.name(desc.name).value((Integer) ((ColorStateList) value).getDefaultColor());
} else if (value instanceof Drawable) {
final Drawable drawable = (Drawable) value;
final Rect bounds = drawable.getBounds();
j.name(desc.name);
j.beginObject();
j.name("classes");
j.beginArray();
Class<?> klass = drawable.getClass();
while (klass != Object.class) {
j.value(klass.getCanonicalName());
klass = klass.getSuperclass();
}
j.endArray();
j.name("dimensions");
j.beginObject();
j.name("left").value(bounds.left);
j.name("right").value(bounds.right);
j.name("top").value(bounds.top);
j.name("bottom").value(bounds.bottom);
j.endObject();
if (drawable instanceof ColorDrawable) {
final ColorDrawable colorDrawable = (ColorDrawable) drawable;
j.name("color").value(colorDrawable.getColor());
}
j.endObject();
} else {
j.name(desc.name).value(value.toString());
}
}
}
}
private void addProperties(JsonWriter j, View v)
throws IOException {
final Class<?> viewClass = v.getClass();
for (final PropertyDescription desc : mProperties) {
if (desc.targetClass.isAssignableFrom(viewClass) && null != desc.accessor) {
final Object value = desc.accessor.applyMethod(v);
if (null == value) {
// Don't produce anything in this case
} else if (value instanceof Number) {
j.name(desc.name).value((Number) value);
} else if (value instanceof Boolean) {
boolean clickable = (boolean) value;
if (TextUtils.equals("clickable", desc.name)) {
if (VisualUtil.isSupportClick(v)) {
clickable = true;
} else if (VisualUtil.isForbiddenClick(v)) {
clickable = false;
}
}
j.name(desc.name).value(clickable);
} else if (value instanceof ColorStateList) {
j.name(desc.name).value((Integer) ((ColorStateList) value).getDefaultColor());
} else if (value instanceof Drawable) {
final Drawable drawable = (Drawable) value;
final Rect bounds = drawable.getBounds();
j.name(desc.name);
j.beginObject();
j.name("classes");
j.beginArray();
Class klass = drawable.getClass();
while (klass != Object.class) {
j.value(klass.getCanonicalName());
klass = klass.getSuperclass();
}
j.endArray();
j.name("dimensions");
j.beginObject();
j.name("left").value(bounds.left);
j.name("right").value(bounds.right);
j.name("top").value(bounds.top);
j.name("bottom").value(bounds.bottom);
j.endObject();
if (drawable instanceof ColorDrawable) {
final ColorDrawable colorDrawable = (ColorDrawable) drawable;
j.name("color").value(colorDrawable.getColor());
}
j.endObject();
} else {
j.name(desc.name).value(value.toString());
}
}
}
}
private void mergeWebViewNodes(JsonWriter j, WebNode view, View webView, float webViewScale) {
try {
j.beginObject();
j.name("hashCode").value(view.getId());
j.name("index").value(0);
if (!TextUtils.isEmpty(view.get$element_selector())) {
j.name("element_selector").value(view.get$element_selector());
}
if (!TextUtils.isEmpty(view.get$element_content())) {
j.name("element_content").value(view.get$element_content());
}
j.name("element_level").value(++mSnapInfo.elementLevel);
j.name("h5_title").value(view.get$title());
float scale = view.getScale();
if (webViewScale == 0) {
webViewScale = scale;
}
// 原生 WebView getScrollX 能取到值，而 X5WebView 始终是 0
float left = 0f, top = 0f;
if (webView.getScrollX() == 0) {
left = view.getLeft() * webViewScale;
} else {
left = (view.getLeft() + view.getScrollX()) * webViewScale;
}
if (webView.getScrollY() == 0) {
top = view.getTop() * webViewScale;
} else {
top = (view.getTop() + view.getScrollY()) * webViewScale;
}
j.name("left").value((int) left);
j.name("top").value((int) top);
j.name("width").value((int) (view.getWidth() * webViewScale));
j.name("height").value((int) (view.getHeight() * webViewScale));
j.name("scrollX").value(0);
j.name("scrollY").value(0);
j.name("visibility").value(view.isVisibility() ? View.VISIBLE : View.GONE);
j.name("url").value(view.get$url());
j.name("clickable").value(true);
j.name("importantForAccessibility").value(true);
j.name("is_h5").value(true);
j.name("classes");
j.beginArray();
j.value(view.getTagName());
Class<?> klass = webView.getClass();
do {
j.value(klass.getCanonicalName());
klass = klass.getSuperclass();
} while (klass != Object.class && klass != null);
j.endArray();
List<String> list = view.getSubelements();
if (list != null && list.size() > 0) {
j.name("subviews");
j.beginArray();
for (String id : list) {
j.value(id);
}
j.endArray();
}
j.endObject();
} catch (IOException e) {
SALog.printStackTrace(e);
}
}
private static void writeViewProperties(JsonWriter j, View v, ViewSnapshotConfig snapshotConfig) throws IOException {
final Class<?> viewClass = v.getClass();
for (final ViewProperty desc : snapshotConfig.propertyDescriptionList) {
if (desc.target.isAssignableFrom(viewClass) && null != desc.accessor) {
final Object value = desc.accessor.invokeMethod(v);
//noinspection StatementWithEmptyBody
if (null == value) {
// no-op
} else if (value instanceof Boolean) {
j.name(desc.name).value((Boolean) value);
} else if (value instanceof Number) {
j.name(desc.name).value((Number) value);
} else if (value instanceof ColorStateList) {
j.name(desc.name).value((Integer) ((ColorStateList) value).getDefaultColor());
} else if (value instanceof Drawable) {
final Drawable drawable = (Drawable) value;
final Rect bounds = drawable.getBounds();
j.name(desc.name);
j.beginObject();
j.name("classes");
j.beginArray();
Class klass = drawable.getClass();
while (klass != Object.class) {
if (klass != null) {
j.value(klass.getCanonicalName());
klass = klass.getSuperclass();
}
}
j.endArray();
j.name("dimensions");
j.beginObject();
j.name("left").value(bounds.left);
j.name("right").value(bounds.right);
j.name("top").value(bounds.top);
j.name("bottom").value(bounds.bottom);
j.endObject();
if (drawable instanceof ColorDrawable) {
final ColorDrawable colorDrawable = (ColorDrawable) drawable;
j.name("color").value(colorDrawable.getColor());
}
j.endObject();
} else {
j.name(desc.name).value(value.toString());
}
}
}
}