package bs.util.tool.commongui.plugins;
import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.GridLayout;
import java.awt.Panel;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import bs.util.io.PropertiesUtils;
import bs.util.tool.commongui.GuiJPanel;
import bs.util.tool.commongui.GuiUtils;
/**
* 正则表达式验证.
*/
public class RegexTester extends GuiJPanel {
private static final long serialVersionUID = 1L;
/**
* 正则表达式文本域.
*/
private JTextArea regexTextArea = createJTextArea(GuiUtils.font14_un);
/**
* 验证字符文本域.
*/
private JTextArea sourceTextArea = createJTextArea(GuiUtils.font14_un);
/**
* 匹配结果文本域.
*/
private JTextArea matchTextArea = createJTextArea(GuiUtils.font14_un);
/**
* 帮助.
*/
private String helpText;
/**
* 是否忽略大小写，默认否.
*/
private boolean ignoreCase = false;
/**
* 是否显示详细匹配，默认否.
*/
private boolean viewDetail = false;
/**
* 替换匹配字符文本域.
*/
private JTextField replaceTextField = new JTextField("");
/**
* 常用正则表达式-名称.
*/
private String[] expNames = null;
/**
* 常用正则表达式-表达式.
*/
private Map<String, String> expsMap = new HashMap<String, String>();
{
// 正则帮助
String helpPropsFile = "conf/RegexTester/help.txt";
try {
InputStream helpInputStream = new FileInputStream(GuiUtils.getActualPath(helpPropsFile));
int count = 0;
while (count == 0) {
count = helpInputStream.available();
}
byte[] bytes = new byte[count];
helpInputStream.read(bytes);
helpText = new String(bytes, "UTF-8");
} catch (IOException e) {
logLoadPropertiesException(helpPropsFile, e);
}
// 常用正则表达式
String expressionPropsFile = "conf/RegexTester/expression.properties";
try {
Map<String, String> expressionsMap = PropertiesUtils.getPropertiesMap(GuiUtils
.getActualPath(expressionPropsFile));
List<String> expsSortAndNames = new ArrayList<String>();
for (String key : expressionsMap.keySet()) {
expsSortAndNames.add(key);
}
Collections.sort(expsSortAndNames); // 排序
int expSize = expsSortAndNames.size() + 1;
expNames = new String[expSize];
expNames[0] = "常用正则表达式";
// 常用正则表达式，按序号正排序
for (int i = 1; i < expSize; i++) {
String key = expsSortAndNames.get(i - 1);
String[] keySplit = key.split("_");
expNames[i] = keySplit.length > 1 ? key.substring(keySplit[0].length() + 1) : keySplit[0];
expsMap.put(expNames[i], expressionsMap.get(key));
}
} catch (IOException e) {
logLoadPropertiesException(expressionPropsFile, e);
}
}
public RegexTester() {
// 主面板：边界布局，只有Center部分
setLayout(new BorderLayout());
// Center，加密解密输入输出域，使用3行1列的Grid布局，使其平均显示
JPanel textAreaPanel = new JPanel(new GridLayout(3, 1));
add(textAreaPanel, BorderLayout.CENTER);
JPanel regexPanel = new JPanel(new BorderLayout());
addJLabel(regexPanel, " 匹配正则: ", GuiUtils.font14b_cn, BorderLayout.WEST);
regexPanel.add(new JScrollPane(regexTextArea), BorderLayout.CENTER);
textAreaPanel.add(regexPanel);
JPanel sourcePanel = new JPanel(new BorderLayout());
addJLabel(sourcePanel, " 匹配文本: ", GuiUtils.font14b_cn, BorderLayout.WEST);
sourcePanel.add(new JScrollPane(sourceTextArea), BorderLayout.CENTER);
textAreaPanel.add(sourcePanel);
JPanel matchPanel = new JPanel(new BorderLayout());
addJLabel(matchPanel, " 匹配结果: ", GuiUtils.font14b_cn, BorderLayout.WEST);
matchPanel.add(new JScrollPane(matchTextArea), BorderLayout.CENTER);
textAreaPanel.add(matchPanel);
// East，操作区域，使用BorderLayout布局
JPanel actionPanel = new JPanel(new BorderLayout());
add(actionPanel, BorderLayout.EAST);
// 放置多选框等
JPanel actionGridPanel = new JPanel(new GridLayout(10, 1));
actionPanel.add(actionGridPanel, BorderLayout.NORTH);
// 放置帮助按钮
JPanel helpButtonPanel = new JPanel(new GridLayout(1, 2));
helpButtonPanel.add(new Panel());// 仅作填充
addJButton(helpButtonPanel, "帮助", "", GuiUtils.font13_cn, new ActionListener() {
public void actionPerformed(ActionEvent event) {
showTextAreaMessage(helpText, "帮助", JOptionPane.INFORMATION_MESSAGE, null, null);
}
});
actionGridPanel.add(helpButtonPanel);
if (expNames != null && expNames.length != 0) {
// 仅作填充
actionGridPanel.add(new JLabel(""));
// 常用正则表达式下拉框
JPanel expressionsBoxPanel = new JPanel(new BorderLayout());
addJLabel(expressionsBoxPanel, " ", GuiUtils.font14_cn, BorderLayout.WEST);
addJComboBox(expressionsBoxPanel, expNames, GuiUtils.font13_cn, new ActionListener() {
public void actionPerformed(ActionEvent event) {
String exp = expsMap.get(((JComboBox) event.getSource()).getSelectedItem().toString());
if (exp != null) {
regexTextArea.setText(exp);
}
}
}, BorderLayout.CENTER);
actionGridPanel.add(expressionsBoxPanel);
}
// 仅作填充
actionGridPanel.add(new JLabel(""));
// 是否忽略大小写
JPanel ignoreCasePanel = new JPanel(new FlowLayout(FlowLayout.LEADING));
addJCheckBox(ignoreCasePanel, "忽略大小写", false, GuiUtils.font14_cn, new ActionListener() {
public void actionPerformed(ActionEvent event) {
JCheckBox checkBox = (JCheckBox) event.getSource();
ignoreCase = checkBox.isSelected();
}
});
actionGridPanel.add(ignoreCasePanel);
// 是否显示详细匹配
JPanel viewDetailPanel = new JPanel(new FlowLayout(FlowLayout.LEADING));
addJCheckBox(viewDetailPanel, "显示详细匹配", false, GuiUtils.font14_cn, new ActionListener() {
public void actionPerformed(ActionEvent event) {
JCheckBox checkBox = (JCheckBox) event.getSource();
viewDetail = checkBox.isSelected();
}
});
actionGridPanel.add(viewDetailPanel);
// 仅作填充
actionGridPanel.add(new JLabel(""));
// 替换匹配
JPanel replaceLabelPanel = new JPanel(new FlowLayout(FlowLayout.LEADING));
addJLabel(replaceLabelPanel, " 替换匹配: ", GuiUtils.font14_cn);
actionGridPanel.add(replaceLabelPanel);
JPanel replaceTextPanel = new JPanel(new BorderLayout());
addJLabel(replaceTextPanel, " ", GuiUtils.font14_cn, BorderLayout.WEST);
addJTextField(replaceTextPanel, replaceTextField, GuiUtils.font14_un, BorderLayout.CENTER);
actionGridPanel.add(replaceTextPanel);
// 仅作填充
actionPanel.add(new Panel(), BorderLayout.CENTER);
// 放置匹配按钮
JPanel buttonPanel = new JPanel(new GridLayout(2, 1));
actionPanel.add(buttonPanel, BorderLayout.SOUTH);
// 加密按钮
addJButton(buttonPanel, "匹配", "", GuiUtils.font14b_cn, new MouseListener() {
public void mouseReleased(MouseEvent event) {
String regexText = regexTextArea.getText().trim();
String sourceText = sourceTextArea.getText().trim();
String replaceText = replaceTextField.getText();
Pattern p = null;
if (ignoreCase) {
p = Pattern.compile(regexText, Pattern.CASE_INSENSITIVE); // 不区分大小写
} else {
p = Pattern.compile(regexText);
}
// 用Pattern类的matcher()方法生成一个Matcher对象
Matcher m = p.matcher(sourceText);
StringBuffer sb = new StringBuffer();
StringBuffer rsb = new StringBuffer(); // 替换匹配
// 使用find()方法查找第一个匹配的对象
boolean result = m.find();
// 使用循环找出模式匹配的内容替换之,再将内容加到sb里
int cnt = 0; // 匹配总数
int start = 0;
int end = 0;
while (result) {
m.appendReplacement(rsb, replaceText); // 替换匹配
cnt++;
sb.append("\n");
start = m.start();
end = m.end();
String matchText = sourceText.substring(start, end);
if (viewDetail) {
sb.append("Match[").append(cnt).append("]: ");
}
sb.append(matchText);
if (viewDetail) {
sb.append(" [start: ").append(start).append(", end: ").append(end).append("]");
}
result = m.find();
}
sb.append("\n\n匹配总数: " + cnt);
if (replaceText.length() != 0) {
m.appendTail(rsb);
sb.append("\n\n替换匹配: ").append(rsb);
}
matchTextArea.setText(sb.length() > 0 ? sb.substring(1) : "");
}
public void mousePressed(MouseEvent e) {
matchTextArea.setText("");
}
public void mouseExited(MouseEvent e) {
}
public void mouseEntered(MouseEvent e) {
}
public void mouseClicked(MouseEvent e) {
}
});
}
}