NativeFastPrinterModule.java
6.71 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
package com.foodlabel.nativeprinter;
import com.alibaba.fastjson.JSONObject;
import com.foodlabel.nativeprinter.debug.NativePrintDebugState;
import com.foodlabel.nativeprinter.support.PluginResult;
import com.foodlabel.nativeprinter.support.SafeJson;
import com.foodlabel.nativeprinter.support.ThrowableUtils;
import com.foodlabel.nativeprinter.template.NativeTemplateCommandBuilder;
import com.foodlabel.nativeprinter.transport.GprinterBluetoothTransport;
import com.taobao.weex.annotation.JSMethod;
import com.taobao.weex.bridge.JSCallback;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import io.dcloud.feature.uniapp.common.UniModule;
public class NativeFastPrinterModule extends UniModule {
private static final String BACKEND = "gprinter-sdk";
private static final String PLUGIN_VERSION = "1.1.0";
private static final Object LOCK = new Object();
private static final ExecutorService PRINT_EXECUTOR = Executors.newSingleThreadExecutor();
private static final NativePrintDebugState DEBUG_STATE = new NativePrintDebugState(BACKEND, PLUGIN_VERSION);
private static final GprinterBluetoothTransport BLUETOOTH_TRANSPORT = new GprinterBluetoothTransport();
@JSMethod(uiThread = false)
public void connect(JSONObject params, JSCallback callback) {
String deviceId = SafeJson.getString(params, "deviceId", "");
String deviceName = SafeJson.getString(params, "deviceName", "");
PluginResult result = ensureConnected(deviceId, deviceName);
if (callback != null) {
callback.invoke(result.toJsonString());
}
}
@JSMethod(uiThread = false)
public void disconnect(JSCallback callback) {
synchronized (LOCK) {
BLUETOOTH_TRANSPORT.disconnect();
DEBUG_STATE.clearCurrentDevice();
DEBUG_STATE.setStage("disconnect:ok");
DEBUG_STATE.clearError();
}
if (callback != null) {
callback.invoke(debugResult(PluginResult.ok(false, "", "", "disconnect:ok")).toJsonString());
}
}
@JSMethod(uiThread = false)
public void isConnected(JSCallback callback) {
boolean connected;
synchronized (LOCK) {
connected = BLUETOOTH_TRANSPORT.isConnected();
}
if (callback != null) {
callback.invoke(debugResult(PluginResult.ok(connected, DEBUG_STATE.getCurrentDeviceId(), DEBUG_STATE.getCurrentDeviceName(), "isConnected:ok")).toJsonString());
}
}
@JSMethod(uiThread = false)
public void getDebugInfo(JSCallback callback) {
boolean connected;
synchronized (LOCK) {
connected = BLUETOOTH_TRANSPORT.isConnected();
}
if (callback != null) {
callback.invoke(debugResult(PluginResult.ok(connected, DEBUG_STATE.getCurrentDeviceId(), DEBUG_STATE.getCurrentDeviceName(), "debug:ok")).toJsonString());
}
}
@JSMethod(uiThread = false)
public void printTemplate(JSONObject params, JSCallback callback) {
String deviceId = SafeJson.getString(params, "deviceId", "");
String deviceName = SafeJson.getString(params, "deviceName", "");
String templateJson = SafeJson.getString(params, "templateJson", "");
String dataJson = SafeJson.getString(params, "dataJson", "{}");
int dpi = SafeJson.getInt(params, "dpi", 203);
int printQty = Math.max(1, SafeJson.getInt(params, "printQty", 1));
if (templateJson == null || templateJson.trim().isEmpty()) {
if (callback != null) {
callback.invoke(errorResult(9011006, "Template json is empty.").toJsonString());
}
return;
}
PluginResult connectResult = ensureConnected(deviceId, deviceName);
if (!connectResult.success) {
if (callback != null) callback.invoke(connectResult.toJsonString());
return;
}
DEBUG_STATE.setStage("printTemplate:queued");
if (callback != null) {
callback.invoke(debugResult(PluginResult.ok(true, DEBUG_STATE.getCurrentDeviceId(), DEBUG_STATE.getCurrentDeviceName(), "printTemplate:queued")).toJsonString());
}
PRINT_EXECUTOR.execute(new Runnable() {
@Override
public void run() {
try {
DEBUG_STATE.resetBuildMetrics();
DEBUG_STATE.setStage("build-command");
long buildStarted = System.currentTimeMillis();
NativeTemplateCommandBuilder.BuildResult buildResult =
NativeTemplateCommandBuilder.buildWithStats(templateJson, dataJson, dpi, printQty);
DEBUG_STATE.setBuildMs(Math.max(0L, System.currentTimeMillis() - buildStarted));
DEBUG_STATE.setBuildResult(buildResult);
long writeStarted = System.currentTimeMillis();
synchronized (LOCK) {
if (!BLUETOOTH_TRANSPORT.isConnected()) {
errorResult(9011005, "Bluetooth printer transport is not ready.");
return;
}
DEBUG_STATE.setStage("write-command");
boolean ok = BLUETOOTH_TRANSPORT.write(buildResult.bytes);
if (!ok) {
errorResult(9011011, "Printer writeDataImmediately returned false.");
return;
}
}
DEBUG_STATE.setWriteMs(Math.max(0L, System.currentTimeMillis() - writeStarted));
DEBUG_STATE.markPrinted(System.currentTimeMillis());
DEBUG_STATE.setStage("printTemplate:ok");
DEBUG_STATE.clearError();
} catch (Throwable e) {
DEBUG_STATE.setError(ThrowableUtils.unwrap(e));
DEBUG_STATE.setStage("printTemplate:error");
}
}
});
}
private PluginResult ensureConnected(String deviceId, String deviceName) {
synchronized (LOCK) {
PluginResult result = BLUETOOTH_TRANSPORT.ensureConnected(deviceId, deviceName, DEBUG_STATE);
if (!result.success) {
return debugResult(result);
}
return debugResult(PluginResult.ok(true, DEBUG_STATE.getCurrentDeviceId(), DEBUG_STATE.getCurrentDeviceName(), "connect:ok"));
}
}
private static PluginResult errorResult(int code, String message) {
DEBUG_STATE.setError(message == null ? "" : message);
return debugResult(PluginResult.error(code, message));
}
private static PluginResult debugResult(PluginResult result) {
return DEBUG_STATE.attachTo(result);
}
}