package org.apache.bcel.classfile;
import java.io.DataInput;
import java.io.DataOutputStream;
import java.io.IOException;
import org.apache.bcel.Const;
public final class Module extends Attribute {
private final int moduleNameIndex;
private final int moduleFlags;
private final int moduleVersionIndex;
private ModuleRequires[] requiresTable;
private ModuleExports[] exportsTable;
private ModuleOpens[] opensTable;
private final int usesCount;
private final int[] usesIndex;
private ModuleProvides[] providesTable;
Module(final int name_index, final int length, final DataInput input, final ConstantPool constant_pool) throws IOException {
super(Const.ATTR_MODULE, name_index, length, constant_pool);
moduleNameIndex = input.readUnsignedShort();
moduleFlags = input.readUnsignedShort();
moduleVersionIndex = input.readUnsignedShort();
final int requires_count = input.readUnsignedShort();
requiresTable = new ModuleRequires[requires_count];
for (int i = 0; i < requires_count; i++) {
requiresTable[i] = new ModuleRequires(input);
}
final int exports_count = input.readUnsignedShort();
exportsTable = new ModuleExports[exports_count];
for (int i = 0; i < exports_count; i++) {
exportsTable[i] = new ModuleExports(input);
}
final int opens_count = input.readUnsignedShort();
opensTable = new ModuleOpens[opens_count];
for (int i = 0; i < opens_count; i++) {
opensTable[i] = new ModuleOpens(input);
}
usesCount = input.readUnsignedShort();
usesIndex = new int[usesCount];
for (int i = 0; i < usesCount; i++) {
usesIndex[i] = input.readUnsignedShort();
}
final int provides_count = input.readUnsignedShort();
providesTable = new ModuleProvides[provides_count];
for (int i = 0; i < provides_count; i++) {
providesTable[i] = new ModuleProvides(input);
}
}
@Override
public void accept( final Visitor v ) {
v.visitModule(this);
}
public ModuleRequires[] getRequiresTable() {
return requiresTable;
}
public ModuleExports[] getExportsTable() {
return exportsTable;
}
public ModuleOpens[] getOpensTable() {
return opensTable;
}
public ModuleProvides[] getProvidesTable() {
return providesTable;
}
@Override
public void dump( final DataOutputStream file ) throws IOException {
super.dump(file);
file.writeShort(moduleNameIndex);
file.writeShort(moduleFlags);
file.writeShort(moduleVersionIndex);
file.writeShort(requiresTable.length);
for (final ModuleRequires entry : requiresTable) {
entry.dump(file);
}
file.writeShort(exportsTable.length);
for (final ModuleExports entry : exportsTable) {
entry.dump(file);
}
file.writeShort(opensTable.length);
for (final ModuleOpens entry : opensTable) {
entry.dump(file);
}
file.writeShort(usesIndex.length);
for (final int entry : usesIndex) {
file.writeShort(entry);
}
file.writeShort(providesTable.length);
for (final ModuleProvides entry : providesTable) {
entry.dump(file);
}
}
@Override
public String toString() {
final ConstantPool cp = super.getConstantPool();
final StringBuilder buf = new StringBuilder();
buf.append("Module:\n");
buf.append(" name: ") .append(cp.getConstantString(moduleNameIndex, Const.CONSTANT_Module).replace('/', '.')).append("\n");
buf.append(" flags: ") .append(String.format("%04x", moduleFlags)).append("\n");
final String version = moduleVersionIndex == 0 ? "0" : cp.getConstantString(moduleVersionIndex, Const.CONSTANT_Utf8);
buf.append(" version: ") .append(version).append("\n");
buf.append(" requires(").append(requiresTable.length).append("):\n");
for (final ModuleRequires module : requiresTable) {
buf.append(" ").append(module.toString(cp)).append("\n");
}
buf.append(" exports(").append(exportsTable.length).append("):\n");
for (final ModuleExports module : exportsTable) {
buf.append(" ").append(module.toString(cp)).append("\n");
}
buf.append(" opens(").append(opensTable.length).append("):\n");
for (final ModuleOpens module : opensTable) {
buf.append(" ").append(module.toString(cp)).append("\n");
}
buf.append(" uses(").append(usesIndex.length).append("):\n");
for (final int index : usesIndex) {
final String class_name = cp.getConstantString(index, Const.CONSTANT_Class);
buf.append(" ").append(Utility.compactClassName(class_name, false)).append("\n");
}
buf.append(" provides(").append(providesTable.length).append("):\n");
for (final ModuleProvides module : providesTable) {
buf.append(" ").append(module.toString(cp)).append("\n");
}
return buf.substring(0, buf.length()-1);
}
@Override
public Attribute copy( final ConstantPool _constant_pool ) {
final Module c = (Module) clone();
c.requiresTable = new ModuleRequires[requiresTable.length];
for (int i = 0; i < requiresTable.length; i++) {
c.requiresTable[i] = requiresTable[i].copy();
}
c.exportsTable = new ModuleExports[exportsTable.length];
for (int i = 0; i < exportsTable.length; i++) {
c.exportsTable[i] = exportsTable[i].copy();
}
c.opensTable = new ModuleOpens[opensTable.length];
for (int i = 0; i < opensTable.length; i++) {
c.opensTable[i] = opensTable[i].copy();
}
c.providesTable = new ModuleProvides[providesTable.length];
for (int i = 0; i < providesTable.length; i++) {
c.providesTable[i] = providesTable[i].copy();
}
c.setConstantPool(_constant_pool);
return c;
}
}