#83

CHANGELOG.MD

@@ -203,4 +203,5 @@ Others:
 
 ## 1.1
 
-todo
+更新内容：
+- [improve] 限制JAR包大小防止加载过多过大的文件 #83

src/main/java/com/chaitin/jar/analyzer/form/CommonForm.form

@@ -10,7 +10,9 @@
     <children>
       <scrollpane id="21799" binding="commonScroll">
         <constraints>
-          <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="7" hsize-policy="7" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+          <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="7" hsize-policy="7" anchor="0" fill="3" indent="1" use-parent-layout="false">
+            <minimum-size width="800" height="500"/>
+          </grid>
         </constraints>
         <properties/>
         <border type="none"/>

src/main/java/com/chaitin/jar/analyzer/form/CommonForm.java

@@ -81,7 +81,7 @@ public void mouseClicked(MouseEvent evt) {
         commonPanel = new JPanel();
         commonPanel.setLayout(new GridLayoutManager(2, 1, new Insets(5, 5, 5, 5), -1, -1));
         commonScroll = new JScrollPane();
-        commonPanel.add(commonScroll, new GridConstraints(0, 0, 1, 1, GridConstraints.ANCHOR_CENTER, GridConstraints.FILL_BOTH, GridConstraints.SIZEPOLICY_CAN_SHRINK | GridConstraints.SIZEPOLICY_WANT_GROW, GridConstraints.SIZEPOLICY_CAN_SHRINK | GridConstraints.SIZEPOLICY_WANT_GROW, null, null, null, 0, false));
+        commonPanel.add(commonScroll, new GridConstraints(0, 0, 1, 1, GridConstraints.ANCHOR_CENTER, GridConstraints.FILL_BOTH, GridConstraints.SIZEPOLICY_CAN_SHRINK | GridConstraints.SIZEPOLICY_WANT_GROW, GridConstraints.SIZEPOLICY_CAN_SHRINK | GridConstraints.SIZEPOLICY_WANT_GROW, new Dimension(800, 500), null, null, 1, false));
         commonTable = new JTable();
         commonTable.setEnabled(true);
         commonScroll.setViewportView(commonTable);

src/main/java/com/chaitin/jar/analyzer/form/JarAnalyzerForm.java

@@ -152,7 +152,26 @@ public class JarAnalyzerForm {
         }
     }
 
+    private boolean checkJarSize() {
+        try {
+            int total = 0;
+            for (String path : jarPathList) {
+                Path cPath = Paths.get(path);
+                int mb = (int) (Files.size(cPath) / 1024 / 1024);
+                total += mb;
+            }
+            if (total < 300) {
+                return true;
+            }
+        } catch (Exception ex) {
+            ex.printStackTrace();
+            return false;
+        }
+        return false;
+    }
+
     private void loadJarInternal(String absPath) {
+        jarPathList.clear();
         totalJars++;
         progress.setValue(0);
         new Thread(() -> {
@@ -166,6 +185,12 @@ private void loadJarInternal(String absPath) {
             } else {
                 jarPathList.add(absPath);
             }
+
+            if (!checkJarSize()) {
+                JOptionPane.showMessageDialog(jarAnalyzerPanel, "输入的Jar包过大");
+                return;
+            }
+
             progress.setValue(20);
             classFileList.addAll(CoreUtil.getAllClassesFromJars(jarPathList));